Sleep trackers are portable devices that can be worn on the wrist, torso, or ankle or placed on a bedside table. They track different variables related to sleep, such as sleep duration, quality, and phases, to judge overall sleep quality. While they don't directly measure sleep, they estimate sleep by tracking inactivity and body movements. Misfit offers a range of activity and sleep trackers, including the Misfit Shine, which has been reviewed for its design, ease of use, and data insights. The Misfit Shine is worn on the wrist and tracks sleep by monitoring body movements to determine sleep type and duration. It also has additional features such as being waterproof and displaying the time.
| Characteristics | Values |
|---|---|
| Price | $49 for Misfit Flash, $100 for Misfit Shine, $169 for Swarovski Shine |
| Design | Sleek, multiple color options, waterproof |
| Battery | Watch battery |
| Display | Clock |
| Sleep tracking | Total number of hours slept, subdivided into light and deep sleep |
| Other features | Tracks steps, activity, estimated calories burnt |
| User experience | User-friendly graphs or reports, data can be synced with the app |
| Accuracy | Fitbit and Misfit were found to be the least performant of the devices tested in a 2013 study |
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What You'll Learn

Misfit Shine's design and functionality
Misfit Shine is a sleek, classy, and premium-looking sleep and activity tracker. It has multiple colour options and a round face, which can be snapped into a necklace. The device can be worn on the wrist, torso, ankle, or placed in close proximity. It is waterproof, so it can be worn while swimming or in the shower. The disc also functions as a clock and displays the time when the screen is double-tapped. The tracker runs on a watch battery, eliminating the need for frequent charging.
Misfit Shine tracks the total number of hours slept and the type of sleep, i.e., light and deep sleep, by analysing body movements throughout the night. It also tracks steps, activity, and estimated calories burned. The tracker provides user-friendly graphs and reports, making it easy to spot trends in sleep habits. However, it does not provide insights into how to improve sleep quality or overall health based on the data. It also does not track naps or random sleep times.
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Sleep tracking capabilities
Misfit trackers are wearable sleep trackers that can be worn on the wrist, torso, or ankle. They are designed to motivate users to become more active during the day and track their sleep. The Misfit Shine is a popular model that features a sleep-tracking capability. It collects data on the user's total number of hours slept and subdivides this data into the types of sleep (light and deep). It also tracks the number of calories burned and the number of steps taken. The device runs on a watch battery and does not need to be charged. It is also waterproof, allowing users to wear it while swimming or in the shower.
Misfit trackers are sleek, stylish, and available in multiple color options. They are also more affordable than other brands, with the Misfit Flash, for example, being half the price of the Misfit Shine. The Misfit Shine has been described as a glorified space watch that does not offer insights or tips to help users improve their sleep. However, it does provide user-friendly graphs and reports that make it easy to spot trends in sleep patterns.
Sleep tracking devices like the Misfit Shine work by tracking the user's movement in bed to determine the amount and type of sleep. They measure inactivity as a surrogate for estimating sleep and can detect actions such as tossing and turning or waking up in the middle of the night. Some advanced systems also track sleep phases and adjust the alarm to coincide with a stage that makes it easier for the user to wake up. While these devices can provide valuable insights, they do not directly measure sleep, and exact data would require a medical sleep study.
Some sleep trackers also prompt users to enter information about activities that can affect sleep, such as caffeine intake, meal times, and stress levels. This additional data can help users identify patterns and make informed decisions to improve their sleep quality. Overall, sleep tracking capabilities in devices like the Misfit Shine offer a convenient way to monitor and reflect on one's sleep habits, with the potential to make positive changes for a healthier lifestyle.
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Pros and cons of the device
Misfit trackers are known for their sleek design and multiple colour options. They are also waterproof, and can be placed anywhere on the body thanks to a magnetic clip. The device runs on a watch battery, meaning it does not need charging. The disc also functions as a clock, so you don't need to wear a separate watch. The Misfit app syncs with other apps such as MyFitnessPal, RunKeeper, and IF by IFTTT.
Pros
- It is affordable, with some models under $50.
- It is waterproof, so you can wear it while swimming or in the shower.
- It does not need charging, as it runs on a watch battery.
- It can be worn anywhere on the body, thanks to a magnetic clip.
- It tracks your sleep, helping you to get the recommended 7-8 hours each night.
- It can help you become more active during the day, by tracking your steps and activity.
- It syncs with other apps, such as MyFitnessPal and RunKeeper.
- It can help you reflect on your sleep patterns and habits, with user-friendly graphs and reports.
- It can help you detect sleep disorders, with advanced sensors that measure your blood oxygen levels.
Cons
- It may not be as accurate as a medical sleep study, which monitors brain waves to analyse sleep stages.
- It may cause preoccupation with optimising sleep data, leading to a condition called orthosomnia, which increases nighttime anxiety and makes it harder to sleep.
- It may collect and sell your personal data.
- It may not be as accurate as other sleep trackers in measuring sleep quality and duration.
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How it compares to other sleep trackers
Misfit sleep trackers are portable devices that can be worn on the wrist, torso, or ankle. They track sleep by measuring the time you're inactive and detecting body movements throughout the night to determine the type of sleep (light or deep). The data is then presented in user-friendly graphs or reports, allowing users to spot trends in their sleep patterns.
Misfit offers a range of sleek and stylish sleep trackers with multiple colour options, including the Misfit Shine and the Misfit Flash. The Shine has been praised for its design and accuracy, with features that are considered an upgrade from competitors like Fitbit. For example, the Shine doesn't need charging as it runs on a watch battery, and it's waterproof. It also has a clock, which means you don't need to wear a separate watch. However, some users have expressed disappointment with the accuracy of the data, especially regarding step count and calories burned. The Shine also doesn't track naps or random sleep times, which is considered a drawback.
In terms of performance, a 2013 study by Cellini et al. found that the Misfit Shine was one of the least performant devices compared to other sleep trackers like the Fitbit Flex, Basis Health Tracker, Withings Pulse O2, and Actiwatch Spectrum. While all devices gave similar readings for total sleep time, only the Actiwatch Spectrum provided similar readings to PSG (Polysomnography) when measuring sleep efficiency.
Despite this, Misfit trackers have their advantages, including their affordability. Misfit claims to have created the first fully-featured activity and sleep tracker under $50, making it a more economical option compared to other models that often cost over $100.
Overall, while Misfit sleep trackers may not be the most accurate devices on the market, they offer a stylish, affordable, and user-friendly option for those seeking insights into their sleep patterns.
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The accuracy of the data
Misfit trackers collect sleep data, including the total number of hours slept and the type of sleep, by analysing body movements throughout the night. The trackers do not directly measure sleep but instead estimate sleep by measuring inactivity. The location of the tracker affects how it logs data. For example, Misfit advises bikers not to wear it on the wrist while cycling, as a person's wrists/hands do not move very much. Instead, a pocket, waistband, or ankle would be better locations. As of 2015, Misfit trackers were most accurate at keeping tabs on swimming, soccer, tennis, running, walking, basketball, and cycling.
Misfit Shine, a wearable sleep tracker, has received mixed reviews for the accuracy of its data. Some users have found discrepancies in step counts and calories burned when comparing data with other users. The device also does not track naps or random sleep times, which has been noted as a disadvantage. However, the tracker is capable of providing insights into sleep patterns and duration. For example, one user mentions that the tracker motivated them to go to bed earlier when it recorded a sleep duration of 6 hours and 30 minutes.
The accuracy of sleep trackers has been the subject of several studies. A 2013 study by Cellini et al. found that the Misfit Shine was valid and reliable for detecting sleep/wake patterns, although it was the least performant compared to other devices in measuring sleep efficiency and light sleep time. Another study by Mantua's group tested five wearable devices, including the Misfit Shine, and found that the Misfit and Fitbit were the least performant. However, all devices gave similar readings to PSG in terms of total sleep time.
While sleep trackers can provide valuable insights into sleep habits, it is important to take the data with a grain of salt. For exact data about sleep habits, a medical sleep study that monitors brain waves is necessary. Sleep trackers can be a useful tool to help recognise patterns and make informed decisions about sleep routines, but they should not be solely relied upon for sleep analysis.
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Frequently asked questions
The Misfit Shine is a sleep and activity tracker that can be worn on the wrist or ankle, or placed in a pocket or on the bedside table. It tracks sleep by monitoring body movements throughout the night to determine the type of sleep (light or deep) and the total number of hours slept.
The Misfit Shine works by tracking your movement in bed to determine how much deep vs. light sleep you are getting. It also tracks your steps, activity, and estimated calories burned. The device runs on a watch battery and does not need to be charged.
The Misfit Shine costs $100, which is comparable to other similarly functional brands. The Misfit Flash is a similar device that is made out of plastic and costs half the price.
While the Misfit Shine can provide insights into your sleep routine, it does not measure sleep directly. Instead, it measures inactivity as a surrogate for estimating sleep. For exact data about your sleep habits, you would need to undergo a medical sleep study.











































