Sleep

Last updated at Mon, 17 Aug 2026 18:54:44 GMT

Resting Heart Rate

Daily resting heart rate. The labeled line shows monthly averages.


      

        JanJanJanJanFebFebFebFebMarMarMarMarMarAprAprAprAprMayMayMayMayMayJunJunJunJunJulJulJulJulAugAugAugDate4550556065Beats per minute57.4 bpm58.8 bpm56.0 bpm56.3 bpm53.1 bpm49.3 bpm52.2 bpm55.7 bpm

Heart Rate Variability

Daily heart rate variability. The labeled line shows monthly averages.


      

        JanJanJanJanFebFebFebFebMarMarMarMarMarAprAprAprAprMayMayMayMayMayJunJunJunJunJulJulJulJulAugAugAugDate406080100120Milliseconds88.2 ms86.8 ms87.9 ms89.5 ms108.0 ms100.8 ms82.7 ms89.2 ms

Body Surface Temperature

Daily body surface temperature. The labeled line shows monthly averages.


      

        JanJanJanJanFebFebFebFebMarMarMarMarMarAprAprAprAprMayMayMayMayMayJunJunJunJunJulJulJulJulAugAugAugDate2830323436Degrees Celsius35.03 °C35.53 °C34.93 °C35.13 °C35.11 °C34.48 °C34.76 °C34.81 °C

Sleep Duration and Stages

Total sleep split into REM, deep, and core stages. The labeled line shows monthly average total sleep; dotted lines show monthly stage averages.


      

        JanJanJanJanFebFebFebFebMarMarMarMarMarAprAprAprAprMayMayMayMayMayJunJunJunJunJulJulJulJulAugAugAugDate024681012Total sleep (hours)1.91 h2.25 h2.17 h1.94 h2.57 h2.36 h2.06 h1.93 h1.37 h1.53 h1.43 h1.42 h1.36 h1.31 h1.33 h1.60 h4.32 h3.78 h3.87 h3.89 h4.42 h4.73 h4.31 h3.84 h7.60 h7.55 h7.46 h7.25 h8.36 h8.40 h7.69 h7.38 hREMDeepCoreSleep stage
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