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Polar Sleep PlusTM

The A370 tracks your sleep if you wear it at night. It detects when you fall asleep and when you wake up and collects the data for deeper analysis in the Polar Flow app and web service. The A370 observes your hand movement during the night to track all interruptions over the entire sleep span, and tells you how much time you actually spent asleep.

Sleep data on your A370

You can check your sleep data from My day sleep card. Tap it to get detailed information.
  • Sleep time tells you the total duration between when you fell asleep and when you woke up.
  • Actual sleep tells the time spent asleep between the time you fell asleep and when you woke up. More specifically, it is your sleep time minus the interruptions. Only the time you actually spend asleep is included in actual sleep.
  • Sleep continuity is a rating of how continuous your sleep time was.
  • The times you fell asleep and woke up.
  • Feedback based on your sleep data, preferred sleep time and how you rated your sleep.
  • Your given sleep rating with a smiley icon.

Sleep data in the Flow app and web service

Your sleep data is shown in the Flow app and web service after your A370 is synced. The Flow app and web service show your sleep data in one night and week views. In the Flow web service, you can view your sleep under the Sleep tab in your Diary. You can also include your sleep data to Activity reports under the Progress tab.

In the Polar Flow app and web service, you can set Your preferred sleep time to define how long you aim to sleep every night. You can also rate your sleep. You will receive feedback on how you slept based on your sleep data, your preferred sleep time and your sleep rating.

By following your sleep patterns you can see if they’re affected by any changes in your daily life and find the right balance between rest, daily activity and training.