Evie Summers
Noise-canceling machines for sleep are devices that emit a constant frequency of sound to help make ambiance or environmental noise. They are popular non-drug sleep aids, with a National Sleep Foundation poll from 2012 finding that 5% of Americans sleep with a sound conditioner. These machines can be particularly helpful for those who live in areas with loud nighttime noise, those who are light sleepers, and those who are unsettled by silence. They can also be useful for people with tinnitus, or those who need help calming a busy brain. While some people find white noise machines annoying, others find them to be a lifesaver, with some of the most popular machines being the Sound+Sleep SE, the LectroFan EVO, and the Yogasleep Dohm Nova.
| Characteristics | Values |
|---|---|
| Purpose | To help people sleep by blocking out unwanted noise |
| How it works | Emits a constant frequency of sound to help make ambiance or environmental noise |
| Effectiveness | Research supports the idea that a little background sound can help people tune out sleep-disrupting noise |
| Types | Mechanical, electronic, portable, sound-machine-alarm-clock combos, and tinnitus-friendly options |
| Sound options | Rushing water, rain, and other natural noises, white noise, brook, thunder, summer night, ocean, waterfall, city chatter, meditative music, pink noise, brown noise |
| Other benefits | Can foster relaxation, improve focus, and create a sense of comfort and familiarity |
| Downsides | Can be expensive, can be disruptive if the sound is not continuous and homogenous, can be addictive |
| Alternatives | Earplugs, noise-canceling headphones, sound-blocking curtains, soundproof rooms |
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What You'll Learn
- Sound machines can help you sleep by creating a 'blanket of sound'
- They can block out a wide range of noises, from snoring to traffic
- Sound machines are a safe, non-drug sleep aid
- They can also help you relax and improve your focus
- Sound machines are not for everyone, and can become a psychological addiction
Sound machines can help you sleep by creating a 'blanket of sound'
Sound machines can be an effective sleep aid for those seeking a safe, non-drug solution to sleep issues. By emitting a constant, monotonous hum, white noise machines can block out unwanted or distracting noises, foster relaxation, and improve focus.
Michael Grandner, director of the Sleep and Health Research Program at the University of Arizona, refers to the sound produced by these machines as a "blanket of sound". This blanket of sound can be particularly helpful for those who live in areas with loud nighttime noise, such as busy streets. Even in quiet bedrooms, sound machines can be beneficial for light sleepers or those who feel unsettled by the absence of noise.
Research supports the idea that a little background sound can help people tune out sleep-disrupting noises. For example, a small 2005 study in the journal Sleep Medicine exposed sleepers to recorded hospital sounds with and without a white noise machine. The study found that the machine helped to mask the disruptive noises.
Sound machines with a wider variety of sounds and better sound quality tend to be more expensive. The LectroFan EVO, for instance, is effective at masking a wide range of sounds at a more affordable price. Meanwhile, the Sound+Sleep SE offers a more diverse and all-encompassing sound library, including authentic environmental sounds and colour-based noise variations.
While sound machines can be helpful, they are not for everyone. Some people may find that they become reliant on them to fall asleep, and they can be addictive. Additionally, those with tinnitus may experience a worsening of symptoms with prolonged use of a white noise machine.
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They can block out a wide range of noises, from snoring to traffic
Noise-canceling machines emit a continuous loop of noise to block out environmental sounds. They can be effective in blocking out a wide range of noises, from snoring to traffic.
White noise machines, for example, produce a sound that covers the entire range of audible frequencies, all of which possess equal intensity. This means that white noise can effectively drown out environmental sounds that could affect sleep. The LectroFan EVO, for instance, is a popular white noise machine that has been praised for its ability to mask a wide range of noises, from barking dogs to snoring roommates.
In addition to white noise, there are also other types of ambient sound named for colors, with pink and brown noise being the most common in sound machines designed for sleep. These color-based noises can range from low-frequency "dark noise" to high-frequency "white noise" and can sound like low rumbles, rushing wind, or static. The Sound+Sleep SE, for instance, offers a range of color-based noise variations, including pink and brown noise, in addition to authentic environmental sounds.
Noise-canceling machines can be particularly helpful for people who live in noisy areas, such as busy streets or near airports, as well as for shift workers who sleep during the day, people with tinnitus, or those who need help calming a busy mind. They can also be useful for blocking out noise while trying to focus or relax, not just during sleep.
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Sound machines are a safe, non-drug sleep aid
Sound machines work by creating a "blanket of sound", which helps to mask or block out other noises that may disturb sleep. This can include sounds like traffic, snoring, or barking dogs. Some sound machines also offer a range of soothing sounds, like rushing water or rain, which can help to foster relaxation and improve focus. The LectroFan EVO, for example, is a popular choice for those seeking an affordable option that effectively masks a wide range of noises.
The Sound+Sleep SE is a highly recommended sound machine that offers a diverse range of authentic environmental sounds and colour-based noise variations. With 64 different sound profiles, it provides one of the most comprehensive sound libraries available. The selection includes 16 ambient-noise categories, such as a waterfall, city chatter, an ocean, and meditative music. These sounds are recorded from real life, resulting in a more robust and organic listening experience. While it is a more expensive option, many users find it well worth the price for improved sleep quality.
While sound machines can be effective, it is important to note that they may not work for everyone. Some people may find the sounds distracting or annoying, and there is a risk of developing a psychological dependence on them for sleep. Additionally, those with tinnitus should be cautious as prolonged use of white noise machines may worsen their symptoms. It is also recommended to avoid sleeping with the television on due to the variability of sounds emitted.
Overall, sound machines are a safe and non-invasive option for those seeking assistance with sleep. They can be particularly beneficial for individuals struggling with outside noises or environmental disruptions. However, it is important to remember that individual preferences and needs may vary, and what works for one person may not work for another.
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They can also help you relax and improve your focus
Noise-cancelling machines and devices can be an effective way to improve your focus and help you relax. The constant, monotonous hum of a white noise machine, for instance, can block out unwanted or distracting noises, and even help to quiet anxiety-inducing thoughts. This can be particularly useful if you live in a noisy neighbourhood or with flatmates, or if you work night shifts and need to sleep during the day.
White noise machines can also help train your brain to recognise when it's time to sleep, acting as a Pavlovian response. This can be a useful part of a nightly ritual to signal to your brain and body that it's time to rest. The use of white noise machines is supported by science, with researchers finding that white noise helps people get to sleep and stay asleep.
Noise-cancelling headphones or earbuds are another option for blocking out specific sounds in your environment. These can be a good choice if you also want to listen to music, as the music will help to further drown out other sounds. Headphones designed for sleeping can be comfortable, doubling as an eye mask and wrapping around your head with soft fabric.
There are also a number of apps available, such as Bedtime Fan for Apple devices, White Noise Generator for Android, and BetterSleep, which is available on both. These apps can be a good way to access white noise and other soothing sounds without having to purchase a separate device.
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Sound machines are not for everyone, and can become a psychological addiction
Sound machines are a popular choice for those seeking safe, non-drug sleep aids. They can be particularly useful for those who live in areas with loud nighttime noise, as well as those who are disturbed by the absence of noise or wake up at the slightest sound. However, sound machines are not for everyone, and their use can become a psychological addiction.
While sound machines can be effective in blocking out unwanted noise and enhancing relaxation, they may not be necessary for everyone. Some people may find that they are able to sleep just fine without the need for additional background noise. In fact, some experts suggest that biologically, we do not need additional sound to sleep. The optimal sound level for sleep may simply be silence.
Additionally, the use of sound machines can become a psychological addiction. Some people may develop rituals around their use and feel anxious or unable to sleep without them. This can lead to a dependence on sound machines, even if the initial sleep issues were not related to outside noise. As sleep psychologist Michelle Drerup notes, "I wouldn’t recommend [sound machines or apps] to someone unless they’re reporting difficulties with outside noises, or some type of environmental disrupter... Some people develop these rituals where they think they need to have something or they can’t sleep, or they get anxious when it’s not there, and that includes [sound machines]."
It is important to be mindful of the potential for psychological addiction when using sound machines. While they can be beneficial for some people, they may not be the best solution for everyone. If you are considering using a sound machine, it may be helpful to first identify the root cause of your sleep issues and explore other alternatives, such as improving your sleep hygiene or addressing any underlying sleep disorders.
Ultimately, the decision to use a sound machine is a personal one. While they can be effective tools for improving sleep, they may also come with the risk of psychological addiction. It is important to weigh the benefits and drawbacks before incorporating them into your bedtime routine.
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Frequently asked questions
Noise-canceling machines for sleep generally work by emitting a constant frequency of sound to help make ambiance or environmental noise. These machines can be mechanical or electronic. A mechanical sound machine uses a physical mechanism to make noise, like a fan, while an electronic sound machine plays an audio recording of a sound, like rushing water, rain, or other natural noises.
Some of the best noise-canceling machines for sleep include the Sound+Sleep SE, the Yogasleep Dohm Nova, the LectroFan EVO, and the Homedics Sound Spa.
Noise-canceling machines for sleep can help to block out unwanted or distracting noises, foster relaxation, and create a sense of comfort and familiarity. They can also be helpful for people who are unsettled by a total absence of noise or who wake up from even the softest sound.
