Sleep Routine: Tracker & Alarm for $7/month or $60/year (iOS/Android): You don’t necessarily need a new gadget, because there are several sleep-tracking apps. I tested Sleep Routine on my iPhone 14 Pro. The app provides a report for each night, breaking your sleep into awake, light, deep, and REM. The results seemed accurate and broadly matched the Ultrahuman Ring Air. You can add notes to…
8 Best Sleep Trackers (2024): Expert Tips and Research
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