What is Sleep Tracking? – Work, Why are People so Interested, and More

What is Sleep Tracking?

Sleep tracking has been around for numerous years, and many companies and devices offer it, some in more detail than others, and provide more useful data than others.

It’s about tracking the stages of sleep, generally categorized as light, deep, and REM (rapid eye movement or sleep), with a breakdown of how long each phase lasts and how much you sleep through the night.

There are dedicated sleep trackers and fitness trackers, wearable devices, and even smart displays that can track your sleep, but the data provided and the features offered vary by device and company.

Some companies offer sleep scores, some have keen alarms to wake you up at a set window when you’re sleeping as light as possible, and others combine your activity and sleep data to give you an overview of your recharge. Overall, and what you need to do to get the best results.

How does Sleep Tracking Work?

Sleep studies performed in a laboratory use polysomnography, which measures brain activity, eye movements, and body movements with sensors attached to the head. To categorize sleep into stages, the variation in the intervals between beats must be measured. Asleep technicians must measure the signals in periods of 30 seconds.

Of course, clothes and mats don’t have the luxury of a lab and sensors strapped to your head, and you wouldn’t want them every night, either. Instead, sleep tracking with these plans is done using the heart rate monitor and motion sensors to detect what stage of sleep your body is in at night, while the Nest Hub uses radar. Throughout the night, your body will go in and out of different stages: awake, light, deep, and REM.

Your body needs a combination of all of these steps to recover, rebuild, and wake up feeling refreshed. Light is said to improve memory and learning, while depth helps with physical recovery, and REM aids in strategic thinking and creativity.

Why are People so Interested in Sleep Tracking?

Many studies have linked good quality sleep to a healthy lifestyle. Getting a good night’s sleep can lower your stress levels, lower blood pressure, help your immune system stay strong, and help you mentally and physically recover from stress on your body.

A good night’s sleep helps you stay mentally alert, which is important for mentally demanding education or jobs and being physically strong.

Sleep is especially important for physical recovery after exercise, and for many athletes, it is an important part of a training regimen. Through recovery, including sleep, you rebuild the muscles and systems that you have stressed, construction tracking you stronger.

What Devices Offer Sleep Tracking?

Here’s a breakdown of the companies and devices that offer sleep tracking and the different features they offer.

1. Fitbit

All Fitbit wristband activity trackers offer automatic sleep tracking when you wear them to bed. The heart rate monitor, if your device has one, combined with the motion sensors, tracks your sleep and gives you a breakdown of your sleep stages and a sleep score of 100 when you wake up to help you gauge the quality of your sleep your dream.

In the Fitbit app, you can understand your sleep tendencies over time, and you will receive information to help you better understand your night’s sleep. However, the information is not as useful as Garmin’s body battery.

All the latest Fitbit devices offer silent alarms that wake you up with a gentle vibration on your wrist. Some Fitbit devices, those with heart rate monitors, also feature Smart Wake, the machine that wakes you up during the optimal sleep phase in a window that you define.

Fitbit devices that offer sleep tracking include:

  • [Fitbit Inspire HR]
  • [Fitbit Inspire 2]
  • [Fitbit 3 Charge]
  • [Fitbit 4 charging]
  • [Fitbit Versa]
  • [Fitbit Versa 2]
  • [Fitbit Versa 3]
  • [Fitbit Versa Lite]
  • [Fitbit sense]
  • And also, [Fitbit Ionic]

2. Google

Google, which now owns Fitbit, offers sleep tracking through its second-generation Nest Hub smart display. The device incorporates Google’s Soli chip, which uses low-power radar to monitor the movement and breathing of the person closest to the screen when placed on a bedside table to provide you duration and quality of sleep.

The Nest Hub also uses its built-in microphones and Ambient EQ light sensor to monitor changes in temperature and light in the room and discomfort such as coughing and snoring. All of this is done without using anything or sleeping on anything, such as a rug.

Sleep results are shown on the Nest Hub screen in the morning and will also be available in the Google Fit app. Ultimately, this may infiltrate the Fitbit and Fitbit Premium offer. The Nest Hub also offers alarms and comes with quick gestures so you can raise your hand to sleep.

3. Apple

Apple offers sleep tracking for Apple Watches with watchOS 7. And also, Apple Watch sleep tracking uses the device’s accelerometer micro-motion detection to capture sleep stages, giving you a breakdown of your sleep nightlife and a graph showing your weekly sleep trends on the Sleep App.

There are charge cues if your Apple Watch doesn’t have enough power to get you through the night. And a Wind Down mode that the whole thing with your iPhone to assistance you relax in bed, letting you sleep notifications, snooze notifications, ‘open meditation apps, turn on a music playlist, or activate smart home presets.

You can find out all about how sleep tracking on Apple Watch works in our distinct sense. WatchOS 7 and sleep tracking are well-matched with the following Apple Watch models:

  • [Apple Watch Series 3]
  • [Apple Watch Series 4]
  • [Apple Watch Series 5]
  • [Apple Watch Series 6]
  • And also,[ Apple Watch SE]

4. Withings

Withings offers sleep tracking through its wrist activity trackers. Still, it also provides a dedicated sleep tracking mat, the Sleep Analyzer, which fits under the mattress, meaning you don’t have to wear anything on the bed.

The sleep analyzer provides sleep stage data and a sleep score, but it also detects sleep apnea by measuring breathing, heart rate, body movements, and detecting snoring.

Withings activity trackers mechanically track your sleep when you go to bed, offering a sleep score, as well as light and deep sleep stages, a silent alarm, and smart wake-up functions, just like Fitbit but without as much data.

Withings devices that offer sleep tracking include:

  • [Withings sleep analyzer]
  • [Withings Move ECG]
  • [Withings Steel RH]
  • [Withings scan clock]
  • And also, [Withings Pulse RH]

5. Polar

Polar’s most advanced sleep tracking level is called Polar Sleep Plus Stages, and it automatically tracks how much sleep you have had and how well it was and tells you how long each sleep stage is. Asleep score out of 100 divides into a reflection of strength, quantity, and regeneration.

There is information to see how the different components of your sleep score compare to your usual level. Separately, Polar also offers somewhat called Nightly Recharge. This takes your sleep data and places it in the context of your daily activity to see how well you recharge. A day of intense training followed by little sleep, and you will advise to rest instead of working out.

The following Polar plans offer the company’s Sleep Plus stages, with overnight charging:

  • [Polar Vantage V Titan]
  • [Polar Vantage V]
  • [Polar Vantage M]
  • [Polar Grit X]
  • [Polar Ignite]
  • And also, [Polar unite]

6. Garmin

Garmin offers a complete sleep tracking package that, again, will track your sleep stages and present you with a picture of how you slept. Since many Garmin devices will also give you oxygen saturation readings, this is also part of the sleep score, along with your breathing level.

The data transmitted to a Body Battery system that considers your stress and activity level from the previous day to reflect your state of recovery. It’s an excellent system, and it works, giving you an idea of how much you have in your tank.

Sleep tracking is widely compatible with Garmin devices. Below is a list of newer devices that also offer Body Batteries:

  • [Garmin lily]
  • [Garmin Enduro]
  • [Garmin S62 Focus]
  • [Garmin Fenix 6 Series]
  • [Garmin Forerunner 245/245 Music]
  • [Garmin Forerunner 45 / 45S]
  • [Garmin Forerunner 945]
  • [Garmin Swimming 2]
  • And also, [Garmin Instinct]
  • [Garmin Instinct Tactical]
  • [Garmin Solar Instinct]
  • [Garmin Legacy Hero and Saga Series]
  • [Garmin MARQ Series]
  • [Garmin Quatix 6]
  • [Garmin Tactix Delta]
  • [Garmin Venu]
  • [Garmin Vivoactive 4 / 4S]
  • [Garmin Vivosmart 4]
  • [Garmin Vivomove 3 / 3S]
  • [Garmin Vivomove Luxe]
  • And also, [Garmin Vivomove style]

7. Samsung

Samsung uses a mixture of heart rate and night movement to determine the quality of your sleep. If you are wearing one of your fitness tracker compatible watches, it will automatically create a graph for you to see the next morning when you wake up.

In this graph, you’ll see how many hours you spent in deep sleep, light sleep, and REM sleep, with a breakdown below this graph that shows you how it compares to the optimal time in each sleep cycle. It then uses that information to make a sleep score of 100. The higher the sleep score, the better your sleep will be.

Once you’ve tracked a few nights of sleep, Samsung Health (the app you use to track everything) will create an average breakdown for you and help you figure out how to improve your sleep by telling you to stop going to bed too late or aim for a consistent bedtime each day.

Most of Samsung’s newer wearable devices will track sleep, including the following:

  • [Galaxy Watch 3]
  • [Galaxy Watch Active 2]
  • [Active Galaxy Watch]
  • [Galaxy Watch]
  • [Galaxy Cup]
  • [Galaxy fit e]
  • And also, [Gear Fit 2 Pro]


Sleep tracking is the process of intensive care of a person’s sleep, most often done by measuring inactivity and movement to estimate sleep. An expedient that tracks a person’s sleep calls a sleep tracker. Devices capable of monitoring a person’s sleep include dedicated sleep trackers, trackers that clip onto a person’s pillow, smartphones, fitness trackers, smartwatches, and other wearable devices.

Sleep trackers can track a person’s sleep stages (light sleep, deep sleep, REM sleep), sleep duration/duration, sleep quality, and regularity of a person’s sleep. Some sleep trackers propose other features, such as “sleep scores,” which assess the quality of a person’s sleep, “smart alarms,” which wake a person up within a set amount of time depending on sleep circumstances person’s ability. And also, the amount of light and the temperature in the person’s room.

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