Polar Vantage M2 User Manual: Features > Smart Coaching > Sleep Plus Stages™ sleep tracking

Sleep Plus Stages™ sleep tracking

Sleep Plus Stages automatically tracks the amount and quality of your sleep and shows you how long you spent in each sleep stage. It gathers your sleep time and sleep quality components into one easily glanceable value, sleep score. Sleep score tells you how well you slept compared to the indicators of a good night’s sleep based on the current sleep science.

Comparing the components of the sleep score to your own usual level help you recognize which aspects of your daily routine may affect your sleep and may need adjusting. Nightly breakdowns of your sleep are available on your watch and in the Polar Flow app. Long-term sleep data in the Polar Flow web service helps you analyze your sleep patterns in detail.

Learn more about the Polar Sleep Plus Stages in this in-depth guide.