The Power of Sleep
Backed by Science

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The Science of Sleep

The scientific formula for a good night’s sleep is deeply embedded in your circadian rhythm. Think of it as your body’s 24-hour clock that ebbs and flows throughout the day to decide when you feel sleepy and awake. Poor sleep happens when there is a misalignment of your circadian rhythm and your sleep schedule, causing difficulties falling asleep and waking up. Lumos technology uses short light pulses to shift your circadian clock back into alignment.

Circadian Rhythm

Circadian rhythms are natural physical, mental, and behavioral oscillations that follow a 24-hour cycle. These natural processes exist in most living organisms and respond primarily to light and darkness.

How circadian rhythm regulates sleep

Using the scientific model to understand the two main factors regulating your sleep
The scientists believe that your sleep is mostly regulated by two things: your body’s internal circadian rhythm (Process C), and how long you have been awake for (Process S). In sleep scientists’ world, it’s called the two-process model of sleep regulation.
Your circadian rhythm is a clock inside your body that tells you when you should be sleeping and when you should be awake. During the day, when it’s light outside, your body produces less melatonin, a hormone that makes you feel sleepy. This makes it easier to stay awake and alert. As it gets darker in the evening, your body produces more melatonin, which helps you fall asleep.
Process S, scientifically referred to as the homeostatic sleep drive, represents your hunger for sleep that builds up. The longer you are awake, the sleepier you are. Together, circadian rhythms and your hunger for sleep determines how sleepy you are, how fast you fall asleep, how well you can stay asleep, and how long you sleep. The following image shows how these two factors act together to determine your wakefulness (and therefore your sleepiness) level.
According to the two-process model used by scientists to explain how sleep is regulated, ultimately, your sleep is regulated by two main factors: the circadian rhythm (Process C) and the Homeostatic sleep drive (Process S).
Circadian rhythm: It is like a biological clock that helps us know when it’s time to sleep and when it’s time to be awake.
Homeostatic sleep drive: It is like our hunger for sleep that builds up. The longer we are awake, the sleepier we are.
The two factors work together to ensure we have a restful sleep. They are like the two legs of a human; if either one of them is out of order, we suffer from poor sleep, such as difficulty falling asleep, waking up frequently in the middle of sleep, waking up earlier than we want, or waking up feeling groggy.
(We need to figure out a way to present these two factors so it’s more aesthetically pleasing. Maybe two blocks)? Also let me know if I should change the color of the figure to make it more beautiful of something. I can make the colors a bit less disturbing if you tell me what they should be.
For example, this is a black and white version

How circadian rhythm regulates sleep

Using the scientific model to understand the two main factors regulating your sleep
The scientists believe that your sleep is mostly regulated by two things:

Your circadian rhythm

Your body’s internal circadian rhythm, a clock inside your body that tells you when you should be sleeping and when you should be awake.

Your hunger for sleep

Scientifically referred to as the homeostatic sleep drive, your hunger for sleep that builds up while you are awake determines how sleepy you are.
The two factors work together to ensure we have a restful sleep. They are like the two legs of a human; if either one of them is out of order, we suffer from poor sleep, such as difficulty falling asleep, waking up frequently in the middle of sleep, waking up earlier than we want, or waking up feeling groggy.

Scientifically Crafted Solution for Better Sleep

Using proprietary light technology developed at Stanford University, Lumos stimulates the neurological pathways that regulate your body clock and allow you to program your own sleep schedule.

Science behind our Technology

  • Based on decades of research
    from Stanford University
  • Product development supported by NASA, DoD, and NSF
  • Validated in multiple human-subject studies

How does Lumos work?

The Lumos Smart Sleep Mask was designed to bring the Stanford scientists’ groundbreaking discoveries in the lab to real world applications for our users. It is designed to be a non-invasive, drug-free sleep solution to help users overcome circadian rhythm disorders and improve overall health.
It has been well established by science that light is the main regulator of circadian rhythm. The Lumos mask uses a process known as “light therapy”, which involves exposing the eyes to specific light programs that are known to regulate the circadian rhythms. Demonstrated in multiple human-subject studies conducted at the Stanford Sleep Center, the light flash technology has been shown to be the most effective and practical way to adjust the circadian rhythms.

Circadian rhythm is more than sleep

Our body goes through natural cycles of physical, mental, and behavior changes in a 24-hour cycle.
The master circadian clock in the brain sets the timing for many circadian rhythms that regulate various processes in our body.

Sleep/wake cycles

Circadian rhythm determines when you feel sleepy or alert. It is the most important regulator of sleep.

Energy level

Circadian rhythm affects peaks and dips in energy, including physical strength, endurance, and other performance throughout the day.

Cognitive function

Circadian rhythms has a direct bearing on our focus and attention, our ability to learn new skills, working memory, and executive functions.

Eating and digesting

Circadian rhythms regulate much of our gastrointestinal physiology including cell proliferation, motility, digestion, absorption, and electrolyte balance.

Our Latest Blog

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Frequently Asked Questions

What is Lumos for

How does the Lumos Sleep Mask work?

The Lumos Smart Sleep Mask was designed to bring the Stanford scientists’ groundbreaking discoveries in the lab to real world applications for our users. It is designed to be a non-invasive, drug-free sleep solution to help users overcome circadian rhythm disorders and improve overall health.

The Lumos mask uses a process known as "light therapy", which involves exposing the eyes to specific light programs that are known to regulate the body’s internal clock, or, more scientifically, the “circadian rhythm.”

The mask emits short, low-intensity light pulses that penetrate the users’ eyelids while the users are sleeping. Due to special properties of retinal biology, the light pulses have been shown by research from Stanford to be the most effective and practical way to adjust the circadian rhythms.

Who is Lumos for?

The short answer is: everyone.

The body’s internal clock, or, more scientifically, the “circadian rhythm,” exists in almost every organism on Earth, including animals, plants, and humans. It is the single most important factor of your sleep quality. It determines when you’re tired and when you’re wide-awake.

Biologically all humans are prone to poor sleep when there is misalignment between your body clock and your sleep schedule. Scientists call this phenomenon circadian rhythm misalignment, circadian rhythm disorder, or circadian clock disruptions. This gap makes it difficult to fall asleep (restless) and wake up (groggy), and might even result in frequent wake ups at night. A simple example of this is jet lag, however, there are other common obstacles that can knock your sleep out of alignment.

How does Lumos help with jet lag

Jet lag is the most common example of circadian rhythm disorder. Jet lag can really mess up your sleep when you travel across different time zones. When we travel to a new time zone, our internal clock can get out of sync with the new environment, which can lead to the common jet lag symptoms such as sleep problems like difficulty falling asleep, waking up too early, or feeling groggy during the day. Basically, our body needs time to adjust to the new time zone, and until it does, we might not be getting the best sleep. Typically the human body can adjust for 1 hour time zone difference per day, so if you are heading from the US to Europe, it might take you a week to adjust. The Lumos Smart Sleep Mask could help you speed up this process, for example, cutting your jet lag in half or more.

How does Lumos help Night shift workers

The human body is naturally designed to sleep at night when the lights are out, and up during the day when there is sunlight. This is contradictory to your sleep schedule if you work on a night shift.

The Lumos Smart Sleep Mask could help you adjust your body clock based on when you want to sleep. A single use of Lumos may shift your body clock by 2-3 hours or more given a regular routine. Both comfortable and functional, the Lumos mask can also help you block the light if you have to sleep during the day.

How does Lumos help night owls

Night owls often have difficulties going to bed early and getting up early in the morning. A large part of this is controlled by your natural body clock. Lumos may help you fall asleep early at night and wake up refreshed with our Sunrise feature, in the morning.

How does Lumos help the Teens

Biologically, the secretion of melatonin, a chemical our brains pump out to tell our body it’s time for sleep, can be delayed by 2-3 hours during our teenage years. Most school and work schedules start early in the day, which makes it hard for you, or your teen, to get the right amount of sleep. Lumos, softly adjusts sleep schedules so that you, or your teen, gets the rest they need.

How does Lumos help parents of young children

As a parent of young children, you may often have to adjust your sleep schedule to accommodate your little ones' early wake-up times. Babies and toddlers tend to wake up early, and it can be tough to get the rest you need when you're constantly on their schedule. Don’t worry! Light therapy like what is provided in the Lumos Smart Sleep Mask is intended to help you get up early, so you are more in sync with your little ones.

How does Lumos help you change of sleep schedule

Occasionally you may need to get up 3 hours to go skiing, or “burn the midnight oil” for a one off event, project, or other important events. Using Lumos a day in advance may help you get in bed early for the morning ski trip, or stay at peak performance when you need to burn that midnight oil.

How does the Lumos Sleep Mask work?

The Lumos Smart Sleep Mask was designed to bring the Stanford scientists’ groundbreaking discoveries in the lab to real world applications for our users. It is designed to be a non-invasive, drug-free sleep solution to help users overcome circadian rhythm disorders and improve overall health.

The Lumos mask uses a process known as "light therapy", which involves exposing the eyes to specific light programs that are known to regulate the circadian rhythms.

The mask emits short, low-intensity light pulses that penetrate the users’ eyelids while the users are sleeping. Due to special properties of retinal biology, the light pulses have been shown by research from Stanford to be the most effective and practical way to adjust the circadian rhythms.

Can the Lumos Sleep Mask help me fall asleep faster?

If you're a night owl who struggles to fall asleep at a reasonable hour, adjusting your circadian rhythm can be a game-changer. Night owls often have a delayed circadian rhythm, meaning their bodies naturally want to stay up later and sleep in later. However, this can conflict with schedules that require waking up early in the morning, leading to difficulty falling asleep, not getting enough sleep, and daytime grogginess.

While it is possible to training your body to train your body to fall asleep faster by sticking to an earlier sleep schedule and prioritizing good sleep hygiene, it is usually very difficult. Fighting against your body’s natural circadian clock is like trying to kayak against the current or push a rock up the hill. That is why a lot of night owls cannot fall asleep even when they go to bed early. Therefore, aside from adjusting your daily routine, we also want to help you shift your circadian clock earlier, so you can actually fall asleep when you get in bed early.

Can the Lumos Sleep Mask help me fall asleep faster?

If you're a night owl who struggles to fall asleep at a reasonable hour, adjusting your circadian rhythm can be a game-changer. Night owls often have a delayed circadian rhythm, meaning their bodies naturally want to stay up later and sleep in later. However, this can conflict with schedules that require waking up early in the morning, leading to difficulty falling asleep, not getting enough sleep, and daytime grogginess.

While it is possible to training your body to train your body to fall asleep faster by sticking to an earlier sleep schedule and prioritizing good sleep hygiene, it is usually very difficult. Fighting against your body’s natural circadian clock is like trying to kayak against the current or push a rock up the hill. That is why a lot of night owls cannot fall asleep even when they go to bed early. Therefore, aside from adjusting your daily routine, we also want to help you shift your circadian clock earlier, so you can actually fall asleep when you get in bed early.

Can the Lumos Sleep Mask help me sleep better?

The circadian rhythm is one of the two most important factors regulating sleep. If you are experiencing poor sleep, chances are by optimizing the circadian rhythm, you may significantly improve your sleep quality.

By prioritizing good sleep habits and paying attention to your body's natural sleep patterns, you can help your bodies better align with your desired sleep schedule. This means if you are naturally a night owl and don’t have to get up early, maybe you don’t have to force yourself to go to sleep early.

However, if you don’t have the luxury of flexible sleep timings, or you have to sleep at a different time than the natural tendency of your body clocks, you can try adjusting your body’s circadian clock. Natural remedies such as light therapy - like what we deliver in the Lumos Mask, can help regulate the circadian rhythm and improve sleep quality.

Additionally, exposure to morning light upon wake up has been shown to help maintain a healthy circadian clock, helping you fall asleep faster and reduce morning grogginess. The Sunrise alarm function in the Lumos Smart Sleep Mask is a feature that gently wakes you up and gets you the morning light exposure that may help you sleep better.

Can I use the Lumos Sleep Mask if I have a sleep disorder?

Lumos is not intended to be used for the diagnosis or treatment of any sleep disorders. If you have a sleep disorder or suspect that you may have one, it is better to talk to your doctor, or even better, get an appointment at a sleep clinic to get further help.

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