Apple Watch Sleep
Built-in sleep tracking.
Setup sleep tracking
- Health app on iPhone.
- Tap "Sleep" → "Get Started."
- Set sleep goal hours.
- Set wind-down + wake times.
- Wear watch to bed.
- Watch tracks automatically.
What it tracks
- Sleep duration.
- Sleep stages (REM, Deep, Light).
- Heart rate during sleep.
- Breathing rate.
- Wrist temperature.
- Wake-up times.
Wind Down mode
- Set bedtime — phone goes Do Not Disturb.
- Sleep screen activates.
- Reduce blue light.
- Notifications muted.
- Better sleep ritual.
- Customize wind-down hour.
Battery management
- Apple Watch needs daily charging.
- Charge during shower or breakfast.
- Or charge before bed nightly.
- Sleep tracking uses some battery.
- Most watches make it through night.
- Series 9+ have better battery.
Share with doctor
- Health app exports sleep data.
- PDF report for doctor.
- Identify sleep apnea symptoms.
- Track changes over months.
- Helpful for sleep medication adjustments.
- Bring to next checkup.
Apnea detection
- Newer watches detect breathing disturbances.
- Early warning sign.
- Show doctor for evaluation.
- Sleep study may follow.
- Critical for senior heart health.
- Could save your life.
If you have Apple Watch — use it
If you have an Apple Watch, sleep tracking is free + comprehensive. Track 2 weeks to identify patterns. Share with doctor at checkup. Especially valuable if you snore or feel un-rested. Newer watches catch breathing issues that suggest apnea — important for senior heart health.