Gina Johnson
The Suunto 9 is a lightweight and comfortable watch with a range of features, including sleep tracking. While it has been praised for its user-friendly app, long battery life, and ease of charging, its sleep-tracking capabilities have received mixed reviews. The watch provides a sleep summary, including the total duration of sleep, estimated time awake, and time spent in deep sleep. However, some users have reported inconsistencies in sleep tracking, especially when getting up in the middle of the night or staying in bed after waking up. The accuracy of sleep tracking also depends on individual sleep habits and movement during sleep. To improve sleep tracking accuracy, users can enable Daily HR to monitor heart rate variability and gain insights into sleep quality and recovery.
| Characteristics | Values |
|---|---|
| Sleep tracking accuracy | Low. Does not differentiate between lying in bed and sleeping. Does not account for brief periods of wakefulness during the night. |
| Sleep tracking metrics | Sleep quality score, duration, deep sleep duration, time awake, heart rate, blood oxygen level (needs to be activated in settings) |
| Sleep tracking settings | Set bedtime and sleep target |
| Sleep tracking display | Sleep summary, sleep insight, sleep trend |
| Sleep tracking activation | Press middle button on Sleep display |
| Additional features | Stress and recovery tracking, automatic time zone sync with smartphone |
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What You'll Learn
Sleep tracking settings
To access the sleep tracking settings on your Suunto 9, go to the Sleep display and keep the middle button pressed. All sleep measurements are based on movement only, so they are estimates that may not reflect your actual sleep habits.
Once you have enabled sleep tracking, you can set your sleep target. A typical adult needs between 7 and 9 hours of sleep per day, though your ideal amount may vary. When you wake up, you will be greeted with a summary of your sleep, including the total duration of your sleep, the estimated time you were awake (moving around), and the time you were in deep sleep (no movement). You can also follow your overall sleep trend with the sleep insight. From the watch face, press the lower right button until you see the Sleep display. The first view shows your last sleep compared to your sleep target.
In addition to duration, the Suunto 9 can also assess sleep quality by following your heart rate variability during sleep. The variation is an indication of how well your sleep is helping you rest and recover. Sleep quality is shown on a scale from 0 to 100 in the sleep summary, with 100 being the best quality. To keep the optical heart rate on during the night, ensure that Daily HR is enabled. You can also get additional feedback on your blood oxygen level, but this needs to be activated in the sleep tracking settings.
The accuracy of sleep tracking may vary from person to person based on how much they normally move while sleeping. It is also worth noting that any time up during the night will kill the sleep tracking for that sleep period. Additionally, if you go to bed before your bedtime and wake up after it, your watch will not count that as a sleep session. Therefore, it is important to set your bedtime according to the earliest you may go to bed and the latest you may wake up.
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Sleep quality
The Suunto 9 watch provides a sleep quality score based on movement and heart rate variability. The sleep quality score is shown on a scale from 0 to 100, with 100 being the best quality. This score is an estimation of how well your body was able to regenerate and restore itself while sleeping. The watch determines when you are in deep sleep (time with no movement) and when you are awake (time with significant movement). The deep sleep and time awake durations can be viewed from your sleep summary.
To get an accurate sleep quality score, you should wear your watch during the night. Additionally, you need to ensure that Daily HR is enabled to keep the optical heart rate on during the night. The watch will also provide additional feedback on your heart rate and blood oxygen level, but this needs to be activated in the sleep tracking settings.
It is important to note that all sleep measurements are based on movement only, so they may not always reflect your actual sleep habits. The accuracy of the measurements may vary from person to person, depending on how much they normally move while sleeping. Therefore, it is recommended to set your bedtime according to the earliest you may go to bed and the latest you may wake up. Once sleep tracking is enabled, you can also set your sleep target, which is typically between 7 and 9 hours for adults.
While the Suunto 9 provides insights into sleep quality, some users have reported limitations with its sleep tracking feature. For example, if you get up in the middle of the night, the watch may continue tracking sleep until you get out of bed in the morning. Similarly, if you go to bed before your set bedtime or wake up after it, the watch may not count that as a sleep session. These factors can impact the accuracy of the sleep quality score.
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Sleep duration
The Suunto 9 watch provides a sleep summary when you wake up. This includes the total duration of your sleep, the estimated time you were awake (moving around), and the time you were in deep sleep (no movement). The watch also allows you to follow your overall sleep trend with the sleep insight feature. To access this, simply press the lower right button on the watch face until you see the Sleep display. Here, you can view your last sleep duration compared to your sleep target.
Sleep tracking must be enabled on the Suunto 9 within the settings. It is important to set your bedtime according to the earliest you may go to bed and the latest you may wake up. The watch will not count sleep sessions that fall outside of this bedtime window.
The Suunto 9 measures sleep based on movement, so the sleep duration provided is an estimate and may not always reflect your actual sleep habits. Individual variations in movement during sleep can also impact the accuracy of the measurement.
In addition to tracking sleep duration, the watch can assess sleep quality by monitoring your heart rate variability and blood oxygen level during sleep. This feature provides a score on a scale from 0 to 100, with 100 being the best quality sleep.
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Sleep targets
The watch face displays a Sleep display, which shows your last sleep duration compared to your sleep target. This sleep duration is an estimation based on movement and may not always reflect your actual sleep habits. For example, if you go to bed before your set bedtime and wake up after it, the watch will not count that as a sleep session. Therefore, it is important to set your bedtime according to the earliest you may go to bed and the latest you may wake up.
In addition to tracking sleep duration, the Suunto 9 can also assess sleep quality. This is done by following your heart rate variability during sleep, which indicates how well your sleep is helping you rest and recover. Sleep quality is given as a score on a scale from 0 to 100, with 100 being the best quality. To get this data, you need to wear your watch during the night and ensure that Daily HR is enabled.
The watch provides a summary of your sleep when you wake up, including the total duration of sleep, the estimated time you were awake (moving around), and the time spent in deep sleep (no movement). This data can be accessed from the watch face by pressing the lower right button until the Sleep display appears.
While the Suunto 9 provides comprehensive sleep tracking features, some users have reported issues with its accuracy. For example, it may track rolling around in bed or brief periods of wakefulness during the night as sleep. Additionally, the watch's heart rate data is measured from the wrist, so the way you wear your watch may influence the readings. Despite these limitations, the Suunto 9's sleep tracking capabilities can provide valuable insights into your sleep habits and help you set and work towards achieving your sleep targets.
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Accuracy of sleep tracking
The accuracy of sleep tracking on the Suunto 9 varies. The watch determines when the user is awake by detecting significant movement and when the user is in deep sleep by the absence of movement. However, this may not always be accurate as some users have reported that the watch sometimes indicates they are asleep when they are just lying in bed. The watch also does not count sleep sessions if the user goes to bed before their set bedtime or wakes up after their set bedtime.
The watch provides a sleep summary, which includes the total duration of sleep, the estimated time the user was awake, and the time spent in deep sleep. It also provides a sleep quality score on a scale from 0 to 100, with 100 being the best quality. This score is based on the user's heart rate variability during sleep, which indicates how well their sleep is helping them rest and recover.
Some users have reported that the sleep tracking feature on the Suunto 9 is not very accurate. One user compared it to a $30 Honor band, which they found to be more effective at tracking sleep. Another user mentioned that the watch continued to track sleep even when they were just lying in bed awake. Additionally, the user interface of the watch has been described as slow and unresponsive, which may impact the ease of accessing sleep tracking data.
However, it is important to note that the accuracy of sleep tracking may vary from person to person, as it is based on movement, and individuals may have different sleep habits and levels of movement during sleep. The way the watch is worn can also influence the accuracy of heart rate readings.
To improve the accuracy of sleep tracking, users can ensure that they have set their bedtime and sleep target according to their usual sleep habits. Additionally, wearing the watch during sleep and enabling Daily HR can provide additional feedback on heart rate and blood oxygen levels, which may enhance the accuracy of sleep quality assessments.
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Frequently asked questions
To track your sleep with the Suunto 9, you must first enable sleep tracking in the settings. Once this is done, you can set your sleep target. When you wake up, you will be presented with a summary of your sleep, including the total duration of your sleep, the estimated time you were awake, and the time you were in deep sleep.
The sleep tracking on the Suunto 9 is based solely on movement, so it may not always reflect your actual sleep habits. For example, if you go to bed before your set bedtime or wake up after it, the watch will not count that as a sleep session. Similarly, if you are just lying in bed or get up to use the bathroom, the watch may still register that as sleep.
In addition to sleep duration, the Suunto 9 can assess your sleep quality by tracking your heart rate variability during sleep. This data is used to give you a nightly score for how well your sleep helped you rest and recover, on a scale from 0 to 100. The watch can also provide additional feedback on your heart rate and blood oxygen level while sleeping.
Opinions vary on how the Suunto 9 compares to other sleep trackers. Some users have found that it does not accurately track sleep, performing worse than cheaper alternatives such as the Honor band and Garmin Venu 2. However, others have praised the Suunto 9 for its new sleep metrics and for bringing the Suunto brand more in line with competitors like Garmin and Polar.
