The white noise machine is very preferred. The sleepers, office staff, students, or those who have babies prioritize to choose to use it. Why?
The white noise machines use the fan type in order to mimic the whooshing sounds. At once, block the surrounding noises effectively. From there, bring a concentration environment in the office and a noise-free space to sleep well.
For the time being, you have known the reason why the white noise machine is hot trend. Many people believe to use. Many household enjoy using for the different purposes. There are too many needs, so the supplement requirement strongly increases. More and more machines have released on the market and this makes you confused.The problems are pointed out: How to choose the best white noise machines? Which one is the most suitable model? Here! Don’t worry! All that you need have in my article. Let’s read to know more!
Apart from the stress and strain, we often lose sleep because of noises around us. The problem gives out: How to get a good sleep?And then, the appearance of the white noise is an effective solution in order to help to relax and fall asleep easily. Now, let’s go over benefits that an electric sound machine can bring:
Build a Bedtime Routine
You are hard to fall asleep, aren’t you? Or, this one does not get used to happening to you, right? You should also establish a bedtime ritual before going to bed whatever there are babies or adults.
Keep a Quiet Space in Your Bedroom
To get a good sleep, you cannot lack an optimal sleep space. The white noise machine will disturb the noises and create the sound effects to maintain a quiet environment. This does not depend on the environment condition around you or your sleep situation.
Let Your Brain Rest
You are used to falling asleep hardly because of work or study. So, the white noise machine is helpful. Even, few people use it for the meditation purpose.
If Asleep, You Will Quickly Sleep
The noises interrupted your sleep will no longer because the white noise machine is going to block these noises. Unfortunately, you wake up. You are still easy to sleep back.
Sleep More Soundly
How many times have you woken up every night? If you usually get interrupted the sleep, you can try experiencing the white noise machine to improve your sleep.
Allow Carrying It Anywhere
Almost the white noise machines have the portable and compact design. Plus, they are also powered by the AC, USB, or batteries, so they are very ideal for traveling, or moving.
Bring in 10 Best White Noise Machine in Budget You Can Trust
#1. White Noise Machine – Best for Sleeping
The noises from crying kids, street, or snoring lover makes you tired, don’t they? No problem! Now, you can remove all these things, by using the White Noise Machine that promises to bring the soothing nature sounds.
What we like
It is no coincidence that a large number of consumers give the positive feedback after using this white noise machine.
The first is the standard sound built-in the high-grade speaker. It is especially clear and smoothing. Don’t involve breaks or looping, so you can comfortably experience the listening. Depending on the individual preference, there are 7 various sounds so that you can select, including, thunderstorm, rainforest, lullaby, howling wind, ocean wave, white noise, and summer night.
The next has to mention its convenient design. With the dimensions – 4.7 x 4.7 x 1.1 inch, this is a portable model with the lightweight. Accordingly, you can use it anywhere you want. The White Noise Machine is ideal for a good sleep. You can place it bedside because it does not also take up more area.For the power, you are easy to power it with the adaptor or USB. Consist of the USB output of the charger. You conveniently charge for the phone yours. Plus the auto-off timer, you may let it run all night or set the off time within 30, 60, or 90 minutes to save the energy.
What we don’t like
So far, I do not still recognize any drawback that this machine brings. Let me continue considering after a use time anymore and then I will answer you as soon as possible.=> This portable white noise machine not only is great for sleeping but can also mask the noise. This one helps you concentrate on studying or working. Admittedly, the White Noise Machine is appropriate to utilize at home, dormitory, office, or any location you desire.
#2. Adaptive Sound Technologies – Best for Babies
No one like the surrounding noises, especially the babies. If you are looking for the white noise sound machines for babies, you have found a right product. The Adaptive Sound Technologies machine is worth to consider.
What we like
Much has been said about the Adaptive Sound Technologies white noise machine, I immediately think to the ability to produce the various sounds. Aside from 10 fan sounds, you have still experienced 10 familiar noise variations, pink noise, brown noise, white noise, for example.
With that being said, this machine still has the impressive characteristic – mask the surrounding noises. From there, you or your babies can comfortably fall asleep.
Another optimum advantage persuades the consumer – the solid-construction built-in. With 100% electronic, the model does not come with any motor or the moving parts inside. Owing to that, you will get the high-fidelity sound.
What about the power? It has equipped the USB and AC adapter. The created sounds is non-repeating. Make sure that you will be able to experience the separate sounds.
Furthermore, the volume is precisely controlled. Based on the environment around you, you can set the suitable level. According to many customers report, this white noise machine may block the noises and then provide a peaceful space when using in their baby’s room.Not only the families feel happy with this LectroFan, but the persons studying or working are also easy to focus on their job. Almost it can maintain the privacy for anyone when needing.
What we don’t like
If chosen to use the LectroFan, you can be going to dislike the vibration that it creates while running. With those who are difficult to fall asleep, this seems to be a big drawback.=> In a nutshell, the LectroFan white noise machine is still a reliable model if you can ignore the mentioned disadvantage. This is an innovative sleep technology machine in comparison with the outdated models. The LectroFan – a white noise solution with a variety of the sounds, do you think so?
#3. Pictek White Noise Sound Machine – Best for Traveling
How to get a good sleep when the environment around you is too noise? Well, by creating the white noise and mask the loud sounds effectively, it ensures that you will have a better sleep. Yes, I am saying to the white noise machine from a dependable brand – Pictek.
What we like
It is well-known fact, the Pictek White Noise Sound Machine has been approved by RoHS, CE, and FCC. The model provides up to 12 lifelike fan sounds that help to relax and get a good sleep.
In case you do not want the unit to play all night, there is the useful timer function that you can set. Not choose to play your machine constantly, you can apply the auto shut-off timer in 30 or 60 minutes. This feature is ideal for the personal needs.
Importantly, the volume is adjustable. Based on the surrounding noise condition, you can change the volume by rotating the control knob. For those who are working in the office or living in the dormitory, have an earphone jack for you to connect. What a convenient it is!
Continuously, instead of only connecting with the USB or adapter, you can still power with the 4AA batteries. It means that you have more supply modes.Another good feature, the compact style, is beneficial traveling. The stylish design and lightweight should especially fit the suitcase and bag.
What we don’t like
There is a problem (whether it is not too serious), but you can feel confused a bit – the easy-to-loose plug. This seems drawback with those travelers, who can be going to have to change a new plug frequently.=> Personally, the Pictek White Noise Sound Machine is a selection for the trips. Apart from the portable appearance that is easy to move from place to place, this option still comes with a range of the accessories, including, the carrying bag, manual, USB cable, and adapter. Just place it in a bag and go. It is okay!
#4. AVANTEK White Noise Machine – Best for Sleeping
Your work often makes you stress, so you often lose sleep. How to overcome this state? Let me introduce a white noise machine from AVANTEK – an ideal option for sleeping.
What we like
The AVANTEK White Noise Machine is obviously more outstanding when providing up to 20 unique sounds. Both the fan sounds and white noise, each has 6 types while the nature sounds include 8 types, wind, birds, ocean waves, crickets, clock, rain, stream included. You comfortably select.
In addition, when using at night, you do not have to get up to turn it off. With the auto-off timer, you only need to choose the proper sound, rotate the desired volume, and then set the timer.
All sounds are natural, scratch-free, and crisp, they contribute to blocking out the distractions. At the same time, create a smoothing environment so that you can easily fall asleep and focus on work and study.
Before saying to the memory function, you should also know that this machine provides the various volume involving 30 levels. The maximum can reach up to 115 dB. Consequently, it assures that you will not meet any difficulty to set the right volume. And then, in the following times, the machine will automatically set the previous volume.Moreover, this unit is quite flexible. Come with a USB cable and an AC adapter in the package. The lightweight should easily carry. With the AVANTEK White Noise Machine, traveling or going to the office can take it with you. So good!!!
What we don’t like
If you use this machine for a time, you will be able to recognize some sounds layered underneath, except the background sound. Frequently, a little tune of sorts underneath will repeat. This one can make you have a bit of uncomfortable.=> After all, the AVANTEK White Noise Machine is still considered as a sleeping machine. Look at what it brings, the nature sounds, the ability to memorize, and the versatile design, this is a good option to study, work, and rest.
#5. Marpac Dohm Classic White Noise Machine – Best for Kids
The noise condition around you is one of the serious problems that you want to get rid of. So, the white noise machine can be a useful solution to consider. From the prestigious brand, Marpac, this Classic White Noise Machine will not make you disappointed.
What we like
Don’t constantly improve throughout 50 years. The Marpac has gotten the certain position in the white noise machine marketing. It can say that this is one of my favorite brand to use. Just need to read the feedback from customer and you will understand.
Yes, starting from a reputable brand, so all that this machine providing is good enough. First of all to mention is the dual-speed motor – the acoustic housing and the surprised asymmetrical fan. From this feature, the created sounds is soothing without rushing.
Then, the Marpac Dohm Classic White Noise Machine is easy to utilize. After plugging in and switching the desired volume, it are ready to run. Remember that you just turn the high volume for the noisy environments and vice versa.
The next feature is the custom sound. Whatever you twist the high or low tune, the Dohm Classic still makes sure the supplied sound that is the most soothing. With the white noise, it is clearly better than a lullaby.Finally, the model enables you to set anywhere as long as there is an outlet. If you only travel in the US area, you can entirely carry it.
What we don’t like
As the whole, the disadvantage of this machine is probably the lack of the power because it does not comprise an adapter or a USB. So, it is not really ideal if you want to bring it out the US. The product is domestic usage only.=> The first version of Dohm Classic invented in 1962. Time to time, it has had the significant changes, particularly, when you look at this machine. You are easy to get a good sleep only with a button pushing. Will you like it?
#6. Pig Red Rooster BRRC107 White Noise Machine – Best for Traveling
The type looks like a speaker. Provide the most natural sounds in order that you can easily fall as sleep. Being a wonderful option for traveling. Exactly, these are the highlight characteristics of the Pig Red Rooster BRRC107 White Noise Machine.
What we like
In the budget, you may still get the high-quality white noise machine. This can only be the Pig Red Rooster BRRC107. According to me, although this machine is not too optimum, it has full of the necessary features that a white noise machine needs.
Initially, including summer night, ocean, thunder, rain, white noise, and brook, you have up to 6 amazing options of the sound. If recognized which sound makes you sleep well, you can set it for your sleep. Like me, I enjoy the rain sound.
Not only that, those natural sounds still contribute to masking the noises around you, so having a good sleep becomes simpler than ever.
Don’t stop! With a timer, you do not need to turn it off manually. You can turn it on all night unless you use the timer to set within 15, 30, or 60 minutes; it will automatically shut off later.In spite of not being powered by a USB, there still have the 3 AA batteries and an AC to you can connect. Plus the compact design, it allows you to be able to bring it when going out.
What we don’t like
With many people have the habit of using a USB along with a white noise machine, this is not probably their right option. Another weak point is the buttons making a little sound in case you click them. Inevitably, this one only happens when you need to adjust it.=> Honestly, the Pig Red Rooster BRRC107 is one of the noise sound masking machines effectively. Look back on its features, this will be an appropriate choice to those who often move and travel because you can carry it anywhere and use it anytime.
#7. Sound+Sleep High Fidelity White Noise Machine – Best for Sleeping
You do not afraid to pay for an expensive white noise machine. Are you figuring out a high-quality technological model? So, this can be a right selection you can consider – the Sound Sleep High Fidelity White Noise Machine.
What we like
If you ask me that what the Sound+Sleep white noise machine has the strong point, you have to answer that it has several advantages.
Foremost, there are the sounds. Not only playback the amazingly recorded sounds but also create the rich-in-sound environments. It utilizes the unique lush library, along with the layered-sound samples.
Different from the fundamental sound machines, this model is no looping. Include 10 various sound profiles to select and 3 levels to adjust the flexibility and depth. Importantly, you will hear these sounds like truth because the manufacturer has carefully record them. The purpose brings the realest experience to the consumer.
Yes, this is not all benefits that you get from this sound technology. While using this option, it will listen to the environment around and then start to remix the surrounding sounds to compensate for the noises. You just need to adjust the volume so as not to get disturbed by these ones.Beyond that, the different options of a timer (30, 60, 90, and 120 minutes) enables you get a good sleep without memorizing to turn it off. When you has already fallen asleep, the panel light will become dim. Let’s feel secure! Don’t make you divert.
What we don’t like
Have an issue that I hope the consumers to pay attention when choosing to use this product – a bad microSD card. Accurately, this card contains the sounds. Through reading from the card, it quickly gets corrupted and produces the buzzing sound while playback.=> The Sound+Sleep provides 30 separate sound profiles. With a scientific design, it ensures that you will have a deeper sleep.
#8. Marpac Hushh White Noise Machine – Best for Traveling
The noises from your neighbors or the babies crying at night make you uncomfortable. It shows that you ought to equip a white noise machine to help you get rid of that. Here! There is an enough-good model you can consult – the Marpac Hushh White Noise Machine.
What we like
As previously stated, white noise is good if compared to a lullaby. Released since 1962, the Marpac always make the consumer satisfied, including me.
Similar to other white noise machines, the Hushh is very portable. With the 3.84-ounce weight and 3.5 x 1.8 x 3.8 inches in dimensions, you are easy to store it in your bag. The smart design with a versatile clip allows you to attach it to anything.
The sound is optional, white noise, gentle surf, and deep white noise included. You can consider choosing a preference one and then install the volume to maintain a good sleep.
On the other hand, I must say that the Marpac is quite fine. For families with little kids, they design a child lock. The purpose is to prevent your children’s hands from change or turn the machine off.
Furthermore, there will not a lack though this unit is powered by the adapter or batteries. But, the Hushh still enables you to utilize it throughout night on one charge.The last one is to supplement an enough light from the LED. You can easily see or adjust the volume without waking your children. The model also comes with a rechargeable USB – a certain convenience.
What we don’t like
In theory, you will likely love all its features – portable design, easy to carry, and equip 3 sound options. However, there are some really weird melodies that happen in a couple of seconds. If you are too sensitive to that issue, it is actually a large drawback.=> For those who have little children, a white noise machine is an essential model to maintain a good-sleep routine. Choose to utilize the Hushh a handy machine, you not only get the white noise but can also move it anywhere if desired.
#9. Lemouchet High Fidelity White Noise Machine – Best for Office Privacy
The state-of-the-art style and eye-catching look makes the consumers difficult to deny a nice white noise machine from Lemouchet. Not only that, it is also considered as one of the good sound machines for office privacy when owning the excellent characteristics. In particular, here are…
What we like
Saying to a white noise machine with a luxurious design, we have to mention the Lemouchet High Fidelity model. With the black and white combination, it is attractive me right from the first sight. But, it is not all because the quality is still a vital factor.
Starting from the sounds, have to say that they are very realistic. And they are almost suitable for people, including, adult, little kids, or pets when providing up to 15 various sounds – Rain, ocean, thunder rainforest, fan, wind, and more.
In addition to that, instead of running it all night, you can use a timer so that it automatically shuts off after 30, 60, or 90 minutes, depending on your need.
There is no denial that the design of the Lemouchet white noise machine is user-friendly. It has the sound memory function that you have previously set. Turn the power button and then it will playback the sound played in the last time.Last but not least, the volume is adjustable. By utilizing the control button, you can easily get the desired volume. In general, the volume is loud enough for a room, but it is not ideal for a total your home.
What we don’t like
In comparison with other machines, the white noise model from Lemouchet is more expensive. It seems to invest the style and design, so the cost has a bit of high.=> Whatever what your use environment is, the bedroom, office, or dormitory, the Lemouchet High Fidelity White Noise Machine is still an appropriate option. With the portable design, sleek type, and lightweight, you can carry it when traveling, camping, or going out.
#10. HoMedics White Noise Machine – Best for Home & Office
You need a versatile white noise machine that provides full of the essential features and comes with the reliable guarantee. Based on these things, there are no reasons in order that you deny an optimal machine from HoMedics – a prestigious brand.
What we like
Whatever you are working in the office or are studying in a dormitory, the HoMedics White Noise Machine can meet the concentration need and a soothing space to fall asleep easily.
Even from the name, it has shown what you will get. Before anything else, there are the recorded unique sounds. Not one that has up to 6 options – summer night, white noise, brook, rain, ocean, and thunder. The model seems to bring the nature closer to you.
With that, the HoMedics helps you fall asleep quickly. It directs you to take the high concentration when effectively blocking out the distractions.
Rule out shut it off manually. The manufacturer adds an auto-off timer to this model. Before going to bed, you only need to set that timer within 15, 30, or 60 minutes and then it will automatically turn off on time. What a beneficial it is!Continue other benefits. The power is from the AC adapter unless you can also utilize the batteries (4 AA), instead of only plugging into your wall outlet. Moreover, I especially like its design. Look like a CD player and you can carry it anywhere if desired.
What we don’t like
Generally, this is a sufficient-good white noise machine. The only minus point is its sound housing. It seems thin and strong-less. Require you to have to be gentle when using it; especially when carrying it and placing in your bag. Let’s be carefully!=> Founded in 1987, HoMedics has had a certain position when we say to the health products. They become one of the top brands that the consumers choose to use. And there, this white noise machine is best buy product on the large online shopping sites, typically, Amazon. The model is an advantageous selection of the office staff, households, and students. And you?
What You Consider When Choosing to Purchase a White Noise Machine
Have you intended to buy a white noise machine? On top of that, you ought to consider a couple of factors:
The white noise machines allow you to plug in the wall. This characteristic is beneficial because you can use whenever you need as long as there are a compatible outlet. In case you often travel, you should prioritize to choose the units having an adapter.
If you prefer a portable machine, you can consider the models powered by the USB or batteries for your charging need. Of course, you will have to pay for the replacement batteries later.
Ability to Mask Noises
The noise masking capacity is one of the important factors that decide the effectiveness of a white noise machine. By creating the ambient sounds, they help to block the disturbed noises.To appreciate the good or bad masking capacity, you need to be based on a repeating sound section – looping. Remember that the short repeating sound time does not often bring a good result.
Types of Sounds
The white noise machines provide a variety of the sounds. Have the ocean or rainforest. If you enjoy the peaceful sounds, you can pick up the models producing the bird or wave sounds. This consideration is to depending on everyone’s individual preference.
A compact device is portable when you can comfortably place it on the nightstand. With the lightweight, you are easy to carry it beside you. But, a larger unit might provide plenty of function or simply allow you to use in a larger space.
What do you purchase a white noise machine for? In fact, there are some certain reasons. You can need a good sleep or a device that helps to meditate or mask the noises to concentrate on work and study.
You do not underestimate this problem because it contributes to decide the white noise machine type that you ought to invest. For example, to sleep well all night, you will need a model with the natural sounds.Alternatively, if you are living in a much-noise area, you are necessary to equip a device with the loud sound and the high-grade masking capability. For the meditation demand, you will have to figure out other features.
Aside from the quality of the sound, the volume is also a vital consideration. Based on my own experience, the best plan would be to select a device with a high level of the volume. Why? Because it can effectively mask the surrounding noises.Only with this feature, have or not a masking system built-in your chosen model – no problem because it still allows you to enjoy the similar advantages.
Do you often use a white noise machine at home, the office, or dormitory? Yes, have a detail that you need to know – these machines efficiently work in the good-aeration condition. On the contrary, in a stuffy environment, these machines will supply a poor performance.At once, the white noise machines also produce the heat, so they can make your room become stuffy. It is necessary to choose an appropriate environment to use them.
The Overall Quality of the Sound
Don’t hurry to invest a white noise machine immediately when you do not still determine its overall sound quality. To get the best model, you ought to compare the machine together because not all provide the same settings. This characteristic will be able to change the running ability of your machine, so you are not absolutely compromised.
Almost white noise machines have equipped a timer that will automatically shut off after you set. Thanks to that, you do not need to turn it off manually. What’s more, also help to save the energy.
Who Needs a White Noise Sound?
Whether you do not get used to be dads and moms, you certainly know that the babies are a light sleepers. Just need a peaceful sound, they can quickly go to bed and vice versa. And once they fall asleep, you still need something to make them sleep well.Actually, these machines, which are worth to invest, are an insurance policy that contributes to minimizing how many times your children wake up in the evening.
Your relatives often snores, and you, too. Surely, you will need a white noise machine.Really, there are hard to have someone, who can suffer snores. And we cannot prevent them from this problem. So, an effective solution is to use this device. By blocking the outside noises and giving back the peaceful sound, you and your partner will get a good sleep.
Those Who Have Tinnitus
In this case, I recommend using the white noise machines with the high-grade sound. If possible, you ought to use the wireless model – the Bose Wireless Sleepbuds, for instance.
Those Who Are Suffering Dizziness & Vertigo
It is no coincidence that the white noise machines appear on most markets such as Walgreens, Amazon, Brookstone, etc. According to the reviews of the consumers, they are useful for vertigo and dizziness symptoms. As known, the better your night’s sleep, the less these symptoms will be.
ADD & ADHD Symptoms
People suffering ADD and ADHD are easy to get distracted whether there are the smallest problems. With a white noise machine, it will stabilize their spirit.
Most pets are easy to get anxiety because they are sensitive to the things surrounding. So, the soothing and gentle sounds of the white noise machine will be helpful for them.
Types of White Noise Sound
When choosing to utilize a white noise machines, you cannot ignore this one – the white noise sound types. Right now, I will list below:
Technically, the nature sounds are entirely the white noise. But, they are still listed into this type because their sound is soothing. More or less, the majority of the white noise machines also consist of the nature sounds. The most common must mention rainforest, thunder, rainfall, ocean, birds, and so on.
A larger number of people immediately think to the loud noises when someone says to the machinery noises. That’s wrong! In fact, you can still consider them like the easy-going sound, a steady hum, a drone engine, included.In the same way, there are also the sounds of the air conditioner, washing machine, or electric fans.
Not all people like the silence. Some of them afraid or feel restless when facing the silent environment. They are almost accustomed to the noisy conditions.In this case, let them listen to a bustle traffic without including the horns or the crowed conversation muted. These things will be helpful for some people fall asleep easily and quickly.
Drawbacks of Electrical Noise Generators
There are 2 sides to everything. Although few of people think that a white noise machine can save their life, in fact, some groups of people should be careful with this machine. For example, both infants and young kids exposed to its sound within a long time have a high opportunity to be influenced seriously. Specifically, they lose the ability to hear any sound, especially, the cognitive development is also weaker.
You may wonder that what you have to do to prevent that happens. I have a good advice. It’s ok to use an electrical noise generator as a support for the sleep of your baby. However, you need to pay attention to avoid using regularly. That means you should use it every two days to keep your baby away from the machine’s harmful effects.For the regular use of a noise-diminishing machine, it’s very easy to get tinnitus even you can’t recognize it. Normally, this condition comes with some more severe disorders. To make sure that your health is still good, you should stop to use that device within 1 or 2 nights.
White Noise Machines FAQs
Q: What is white machine? Can it help to sleep and relax?
=> White noise, a constant sound, has the ability to mask the surrounding noises on the range frequency with a low level of the volume.
Thanks to the audio frequencies from the white noise, help to block and provide the soothing sound. From there, you fall asleep deeply in an easy manner.
Q: Where should I place a white noise machine?
=> To answer this question in an exact way, you need to determine what your use purpose is. An instance of this, you can put it anywhere if you are using in your house. Go to the office, you can place it on your desk.
In case you utilize it for your night’s sleep, you need to put it on the nightstand. If the panel light of the machine affects your sleep, you can place it next your bedroom.
Q: May I carry a white noise machine to travel?
=> Most white noise machine allow the users to bring it when travelling. Nonetheless, it would be best to choose a portable model with the lightweight. Importantly, that machine must be powered by the adapter or batteries because not all machines come with these features. Some can only plug-in and use in domestic.
Q: Can I run the machine all night without using an auto-off timer?
=> No problem! If you have a partner – snorer or you are sensitive to the noises, you can set it throughout. Frequently, the white noise machines built-up a timer is to save the energy.
Q: Can I use a white noise machine for babies?
=> Say in an accurate way, white noise is more useful lullaby. It provides a free sleep to the children based on the certain safety standard.For babies, you do not use the units having the output over 50 decibels. Absolutely, don’t utilize it all the time because the babies will have tended to delay the development process of both hearing and speech. A noise environment is the similar effect on newborns. Correspondingly, choose the machines with the clear sounds for your children. Avoid the fuzzy sounds.
For the time being, it’s high time to tell me what you get after reading my article. How? Have you found the desired white noise machine? You recognize that: Is a white noise machine good for you?
I believe that you can yourself answer all questions if you have really read the information above.
From the types of white noise sound, benefits that it brings, and even the drawbacks, you can clearly see. Later, continue follow these things in order to look for a right machine, by consulting my product list. Let’s have peace of mind! 10 listed products are my study and experience. You can truth. If you still doubt, you can search the reviews or feedbacks of other consumers.Is white noise bad for you? – No! No! No! Do you agree with me that white noise is healthy and a white noise machine is beneficial?