Ashwin Lewis
Sleep is crucial for alertness and for preparing the brain to encode new information. However, it can be disrupted by external stimuli such as light and sound. Our internal clocks regulate the sleep-wake cycle, and light exposure at night affects these natural processes. A tablet used in bed is more than 100 times brighter than being outside on a full moon, and working on a computer screen at night is about 10 times brighter than standing in a well-lit parking lot. Light exposure at night suppresses melatonin production, changing our sleep patterns. Eye masks are a simple, effective, economical, and non-invasive way to improve sleep quality and cognitive function.
| Characteristics | Values |
|---|---|
| Purpose | To block out light and improve sleep |
| Benefits | Improved alertness, improved memory, improved sleep structure and timing, improved learning, improved sleep quality |
| Types | Cloth (silk, cashmere, cotton, velvet, fleece), gel, cushioned, weighted, memory foam |
| Features | Adjustable straps, detachable eye cups, nose bridge, machine washable |
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What You'll Learn
Eye masks improve learning and alertness
Light exposure at night affects the natural processes that help prepare the body for sleep. Our internal clocks regulate the sleep-wake cycle, and light exposure determines when we should feel wakeful or sleepy.
A study published in the journal Sleep in December 2022 showed that wearing an eye mask improves alertness, reaction time, and memory. Researchers from Cardiff University in the United Kingdom conducted a series of experiments to see if wearing an eye mask while sleeping at night could improve certain measures of learning and alertness.
In the study, 90 healthy young adults aged 18 to 35 years slept while wearing an eye mask and being exposed to light at night. They recorded their sleep patterns in a sleep diary. The participants performed better after wearing an intact eye mask during sleep in the days leading up to the test than after being exposed to light at night. Blocking light at night also improved reaction times on alertness tests.
In another experiment, 35 18–35-year-olds used a wearable device to monitor sleep with and without the mask. This replicated the encoding benefit and showed that it was predicted by time spent in slow-wave sleep. The findings suggest that wearing an eye mask during overnight sleep can improve episodic encoding and alertness the next day.
Overall, wearing an eye mask while sleeping can be an effective, economical, and non-invasive way to improve cognitive function and enhance everyday tasks like studying or driving.
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They block out light, helping you sleep
Light exposure at night affects the natural processes that help prepare the body for sleep. Our internal clocks regulate the sleep-wake cycle, and light exposure determines when we should feel wakeful or sleepy. Even a few watts of power can trick the brain into believing that it is daytime at night. For example, watching a movie on a tablet in bed is more than 100 times brighter than being outside on a full moon night. Working on a computer or watching a screen at night is about 10 times brighter than standing in a well-lit parking lot.
To combat this, sleep masks can be used to block out light and help you sleep. The Nidra Deep Rest Eye Mask, for example, is lightweight and roomy, and it rests gently on your face. It has cavernous, wide cups that allow your eyes to move freely without applying any pressure. The mask also spans from temple to temple, covering more surface area than other masks and blocking out light well. The Manta Sleep Mask is another option that is designed to fit every face type perfectly. Its adjustable head strap and detachable eye cups provide a flawless blackout fit.
In a study, 94 participants aged 18-35 wore an eye mask while they slept every night for a week and underwent a control condition in which light was not blocked for another week. The results revealed superior episodic encoding and an improvement in alertness when using the mask. In another experiment, 30 participants used a wearable device to monitor sleep with and without the mask. This replicated the encoding benefit and showed that it was predicted by time spent in slow-wave sleep. These findings suggest that wearing an eye mask during overnight sleep can improve episodic encoding and alertness the next day.
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Eye masks are useful for side and back sleepers
Eye masks are a great way to improve your sleep quality, and they can be especially useful for side and back sleepers. Here's why:
Blocking Out Light
The primary function of an eye mask is to block out light, and this is especially important for side and back sleepers. When you sleep on your side or back, your eyes are often more exposed to light sources in the room, such as digital devices or light from windows. By blocking out light, eye masks help to regulate your body's natural sleep-wake cycle, which is controlled by light exposure. This can lead to deeper, more restful sleep.
Comfort and Space
For side and back sleepers, it is important to choose an eye mask that provides ample space and comfort. Look for eye masks with deep eye cups that allow your eyes to move and blink freely without any pressure. The Nidra Deep Rest Eye Mask, for example, has cavernous eye cups that ensure your eyes have room to blink, making it ideal for side and back sleepers who want to avoid any pressure on their eyes.
Adjustable Fit
A well-fitting eye mask is crucial for side and back sleepers to ensure it stays in place throughout the night. The Manta Sleep Mask is infinitely adjustable with elastic bands to ensure a snug fit for all face shapes and sizes. The Nidra mask also features an adjustable strap with a plastic slider, allowing for a secure and comfortable fit.
Fabric and Feel
The fabric and feel of your eye mask are important considerations, especially if you are a side or back sleeper. You'll want to choose a soft, breathable fabric that feels comfortable against your skin. The Mzoo Sleep Mask, for example, is made of soft memory foam and provides a gentle, contoured fit. Silk eye masks are another great option, especially if you have sensitive skin.
Improved Learning and Alertness
Research has shown that wearing an eye mask while sleeping can improve episodic learning and alertness. By blocking out light, eye masks enhance the quality of your sleep, leading to better cognitive function during the day. This can be particularly beneficial for side and back sleepers who may be more susceptible to light exposure during the night.
In conclusion, eye masks can be a valuable tool for side and back sleepers, offering improved sleep quality, comfort, and enhanced cognitive function. By blocking out disruptive light sources and providing a comfortable, adjustable fit, eye masks help promote deeper, more restful sleep.
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There are many types of cloth eye masks
If you're struggling to fall asleep, a sleep mask might be the solution. Light exposure at night affects the natural processes that help prepare your body for sleep. Specifically, the production of melatonin, a hormone integral to the regulation of sleep, is suppressed when we are exposed to light at night, which changes our sleep patterns.
Silk
Silk eye masks are a popular choice due to their softness and breathability. The smooth and lightweight fabric feels pleasant against the skin, and its natural properties help to regulate temperature, ensuring you stay comfortable throughout the night. The Slip sleep mask, for example, is recommended by Strategist writer Ambar Pardilla, who describes it as "potentially 'the most luxurious sleep mask on the market.'" It is made from coveted mulberry silk and has a heftier weight than the industry average. The Drowsy sleep mask is another option that offers an ultrasoft and pillowy feel, working well for various sleeping positions.
Cotton or Bamboo
Cotton or bamboo fabric eye masks are excellent choices if you're looking for a natural and breathable option. These fabrics are gentle on the skin and provide a comfortable sleeping experience. Additionally, cotton and bamboo are known for their moisture-wicking properties, which can help keep your skin dry and comfortable throughout the night.
Cashmere
Cashmere eye masks, such as the Derek Rose Duke Pure Cashmere Navy Eye Mask, offer a luxurious and incredibly soft option. While they may be more expensive, cashmere masks provide a cozy and indulgent feel, perfect for those who value comfort and warmth.
Velvet
Velvet eye masks provide a unique combination of softness and richness. The plush fabric gives a luxurious feel to your sleep routine, and its thickness can help block out light effectively.
Polyester
While polyester may not be as soft as other fabrics, it is durable and lightweight. The Nidra Deep Rest Eye Mask, for example, features a polyester cover and elastic band, ensuring a snug fit without compromising breathability.
With so many options available, it's essential to consider your personal preferences and needs when choosing the right cloth eye mask for you. Whether you prioritize softness, breathability, or light-blocking capabilities, there is a cloth eye mask that can help improve your sleep quality.
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Blackout curtains are an alternative to eye masks
If you're struggling to sleep without an eye mask, you may want to consider blackout curtains as an alternative. Blackout curtains are designed to significantly reduce light in a room, providing the darkness needed to get a good night's sleep. They come in various types, such as double curtains, curtain blinds, and Japanese blinds, each offering its own unique style and functionality.
One advantage of blackout curtains is their ability to block out external light sources, such as street lighting or moonlight. This is especially beneficial if you live in an area with a lot of light pollution or have trouble sleeping due to light sensitivity. By creating a dark environment, blackout curtains promote the production of melatonin, a hormone that regulates sleep and helps reduce blood pressure, blood sugar, and body temperature.
Blackout curtains also offer privacy and can add elegance to your room. When choosing blackout curtains, opt for dark-colored curtains with a tight weave to ensure maximum light blockage. Additionally, consider the size and style of your room to determine if you want to use double curtains, which add character and a decorative touch, or if you have a smaller space where plain curtains might be more suitable.
While eye masks can be a great portable option for blocking light when travelling, some people may find them uncomfortable, especially if they have sensitive skin or acne concerns. Blackout curtains provide a more permanent solution for your bedroom, ensuring a dark and relaxing environment conducive to a good night's rest.
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Frequently asked questions
Light exposure at night affects the natural processes that help prepare the body for sleep. Specifically, your pineal gland produces melatonin in response to darkness. This hormone is integral to the circadian regulation of sleep. Being exposed to light at night suppresses melatonin production, changing our sleep patterns.
A sleep mask can block out light, helping you to drift off more quickly. Studies have also shown that wearing an eye mask during sleep can improve episodic encoding and alertness the next day.
Some popular eye masks include the Manta Sleep Mask, the Mzoo Sleep Mask, the Nidra Deep Rest Eye Mask, and the Alaska Bear Sleep Mask.
Some alternatives to eye masks include blackout curtains, gel eye masks, and cooling clothes and sheets.
The type of eye mask you should use depends on your personal preferences and needs. Cloth eye masks, such as those made of silk, cashmere, cotton, velvet, or fleece, are versatile and can work for most people. Weighted eye masks can provide a similar feeling to a weighted blanket, while gel eye masks can be a good option if you enjoy cold pressure.
