Track Sleep On Watch | Autosleep

It identifies sleep sessions, including naps over 30 minutes, without needing to activate a "Sleep Focus" mode—a capability that native Apple tracking historically lacked.

The app utilizes the Apple Watch's accelerometer and heart rate sensors to estimate sleep duration and quality. AutoSleep Track Sleep on Watch

Beyond basic tracking, the app provides analytical tools designed for health-conscious users and athletes: Sleep Stages - AutoSleep It identifies sleep sessions, including naps over 30

An optional manual trigger that tracks "sleep onset latency"—the exact time it takes you to fall asleep after getting into bed. Unique Advanced Features It identifies sleep sessions

Users can choose between AutoSleep's proprietary "Sleep Analysis" (classifying phases as Awake, Light, Still, and Deep) or integrating Apple's "Sleep Stages" (REM, Deep, Core) into the AutoSleep interface.