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Yes. Nokia Sleep is a very sensitive pressure sensor that sits under the mattress and captures three vital signs: Presence/movement, respiration rate, and heart rate using ballistocardiography (BCG) -- more precise than photoplethysmography (PPG) used on activity trackers.

These three signals are isolated and refined before being processed by our proprietary algorithm to deliver an in-depth assessment of sleep cycles: deep, light and REM sleep phases. Nokia Sleep also allows you to monitor your snoring patterns without any third party app intervention or action on your part.

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