Insights

insights insights

Quell measures and tracks how much sleep you are getting.

Good sleep is essential to maintaining health. Chronic pain is a common cause of poor sleep, which is why many people with chronic pain do not get a good night’s rest and feel tired upon awakening. Inadequate sleep can worsen chronic pain, which can trigger a vicious cycle of decreased activity during the day, less sleep, and even worse pain. It is essential that you get as much high-quality sleep as possible.

Quell measures and tracks how much sleep you are getting and presents this information to you via the Quell Relief smartphone app. Quell also analyzes your body movements and position while sleeping. This sleep data is meant to help you optimize healthy sleep. It is not intended for use in the diagnosis, mitigation, treatment, or prevention of sleep disorders or other related conditions.

The table below explains how Quell Sleep Insights can help you understand the amount and quality of your sleep. The frequently asked questions provide additional information and useful tips. If you are experiencing overnight pain, you may increase Quell use at bedtime and while sleeping. If you have concerns about your sleep, you should discuss them with your doctor.

Sleep Insight What Does It Mean? How Will It Help Me?
Time Asleep

Amount of time you sleep in a night

This number will help you track your sleep duration so that you can take steps to achieve healthier sleep.

Went to Bed, Got out of Bed*

Time you spend in bed; if you watch TV or read before bed, that time may be included

It will remind you how much time you spend in bed.

Therapy While Asleep*

Percentage of time sleeping during which you received therapy

If you are having difficulty sleeping due to pain, you may want to increase Quell use during sleep.

Time Awake

Amount of time you were restless or awake after first falling asleep during the night

High quality restful sleep is uninterrupted and associated with relatively little movement.

Out of Bed

How many times you get out of bed during the night

Getting out of bed during the night makes it difficult to sustain high-quality sleep.

Repetitive Leg Movements

Number of repetitive leg movements while you sleep

Repetitive leg movements may disrupt your sleep.

On Back

Percentage of time you sleep on your back

You may want to change the amount of time you sleep on your back.

On Side

Percentage of time you sleep on your left and right sides

Sleeping on your side is generally regarded as the healthiest position.

Position Changes

Number of times you change position while sleeping

Changing position while sleeping is important for healthy sleep; too much or too little may lower your sleep quality.

Sleep Insight Time Asleep What Does It Mean?

Amount of time you sleep in a night

How Will It Help Me?

This number will help you track your sleep duration so that you can take steps to achieve healthier sleep.

Sleep Insight Went to Bed, Got out of Bed* What Does It Mean?

Time you spend in bed; if you watch TV or read before bed, that time may be included

How Will It Help Me?

It will remind you how much time you spend in bed.

Sleep Insight Therapy While Asleep* What Does It Mean?

Percentage of time sleeping during which you received therapy

How Will It Help Me?

If you are having difficulty sleeping due to pain, you may want to increase Quell use during sleep.

Sleep Insight Time Awake What Does It Mean?

Amount of time you were restless or awake after first falling asleep during the night

How Will It Help Me?

High quality restful sleep is uninterrupted and associated with relatively little movement.

Sleep Insight Out of Bed What Does It Mean?

How many times you get out of bed during the night

How Will It Help Me?

Getting out of bed during the night makes it difficult to sustain high-quality sleep.

Sleep Insight Repetitive Leg Movements What Does It Mean?

Number of repetitive leg movements while you sleep

How Will It Help Me?

Repetitive leg movements may disrupt your sleep.

Sleep Insight On Back What Does It Mean?

Percentage of time you sleep on your back

How Will It Help Me?

You may want to change the amount of time you sleep on your back.

Sleep Insight On Side What Does It Mean?

Percentage of time you sleep on your left and right sides

How Will It Help Me?

Sleeping on your side is generally regarded as the healthiest position.

Sleep Insight Position Changes What Does It Mean?

Number of times you change position while sleeping

How Will It Help Me?

Changing position while sleeping is important for healthy sleep; too much or too little may lower your sleep quality.

Frequently asked questions

Sleep monitoring

How does Quell monitor my sleep?

The device has an accelerometer and algorithms that decode your movements and body position, from which sleep quantity, quality, and other characteristics are determined.

How does Quell sleep monitoring compare to other wearable devices?

Most wearable devices are located on the wrist, whereas Quell is placed on the leg. As a result, Quell acquires unique information about body movements and position that provides novel insights about your sleep.

How does Quell know when I got to sleep?

Quell has algorithms that determine when you are in bed and trying to sleep. If you find that Quell is overestimating your Time Asleep, you can indicate when you are about to go to sleep in the “Lights Out” section of the Settings screen.

What can I do if Quell overestimates time in bed?

Reading in bed or watching TV with your legs elevated may be treated as “in bed” by Quell. You can indicate that you are about to go to sleep in the “Lights Out” section of the Settings screen.

Why does Quell occasionally underestimate how much I sleep?

If you tend to move a lot while sleeping, it may be difficult for Quell to reliably determine when you fall asleep. You may disable this feature, called Automatic Sleep Onset, in the “Lights Out” section of the Settings screen. If you do this, you will also need to indicate when you are about to go to sleep.

Why is the amount of time I spend in bed important?

If you have difficulty sleeping and your time in bed is much longer than your Time Asleep, you might consider waiting to get into bed until you are ready for sleep.

How much sleep do I need?

According to the American Academy of Sleep Medicine (AASM), adults should sleep 7 or more hours per night on a regular basis to promote optimal health. Consistently sleeping less than 7 hours per night is associated with increased pain and poorer health, including weight gain, diabetes, high blood pressure and depression.1

How does sleep amount impact chronic pain?

According to the American Academy of Sleep Medicine (AASM), sleeping less than 6 hours leads to increased pain. Sleeping for 7 or more hours is consistently associated with reduced pain.2

How can I improve the amount and quality of my sleep?

Please visit this website for healthy sleeping tips: Mayo Clinic: 7 steps to better sleep.

What is a good Time Awake number?

For good quality sleep, your Time Awake should typically be less than about 10% of your Time Asleep.  The app will indicate if your Time Awake is high.  This information is not diagnostic, but may help you identify trends that you can discuss with your doctor.

Sleep positions

What is a typical number of position changes while sleeping?

Most adults change body position 5 to 20 times a night.3  The app will indicate if the number of times you change body position is low or high. This information is not diagnostic, but may help you identify trends that you can discuss with your doctor.

What does it mean if I frequently change body position?

A high number of Position Changes may indicate that you are uncomfortable while sleeping. One possible cause is pain.

I only change my body position a few times a night; should I be concerned?

There are various reasons for a low number of Position Changes while sleeping. If you have concerns about your sleep, you should discuss them with your doctor.

How many repetitive leg movements should I expect?

Adults typically have less than 50 repetitive leg movements a night.4  The app will indicate if your repetitive leg movements are high. This information is not diagnostic, but may help you identify trends that you can discuss with your doctor.

Why do I have high numbers of leg movements?

There are several reasons for a high number of repetitive leg movements while sleeping. Some people with chronic pain at night tend to have poor sleep and frequent repetitive leg movements. If you have concerns about your sleep, you should discuss them with your doctor.

Why is the app not showing “sleep on back” or “sleep on L, R” percentages?

You need to start Sleep Position Tracking in the Settings screen every night you want your sleep position analyzed.

Do I need to start sleep position tracking every night?

Only if you want sleep position information every night.

Does sleep position tracking depend on which leg is the device is placed on?

No, you may place the device on either leg.

Is it better to review my sleep position results over time?

Yes, using the week or month period in the Sleep Tracking screen will provide the most relevant assessment of your sleep position.

Will sleeping on my back increase my snoring?

Back sleeping may increase snoring. Side sleeping is recommended for people who snore or have other sleep related breathing issues. There are a number of recommended ways to decrease back sleeping. Please visit WebMD: 7 Easy Fixes for Snoring.

Does sleep position impact low back pain?

There are a number of ways to minimize back pain, depending on your sleep position. Please visit Mayo Clinic: Sleeping positions that reduce back pain.

He Simply Lost Hope Until Quell

For two years, my husband was in severe pain due to nerve damage from shingles. His pain was excruciating … Within one hour of starting Quell, his pain went from an 8 to a very mild 1. He is happy and slowly returning to the person his family loves!

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Keep up to date with Quell

1. Watson et al. J Clin Sleep Med 2015.
2. Watson et al. Sleep 2015.
3. Gordon et al. The Internet Journal of Allied Health Sciences and Practice 2004; De Koninck et al. Sleep 1992.
4. Okura et al. Sleep Medicine 2008.

* Only available on Quell devices sold after 01/15/2017