Smartwatch "Battery" Drains Overnight
4.5
You go to sleep with 80% battery and wake up with the watch dead or at 5%.
Symptoms
- Fast drain
- Dead watch in morning
- Warm watch
Possible Causes
- Sleep tracking bug
- Constant heart rate monitoring
- Background sync
Step-by-Step Fix
1
Check Battery Usage
In the watch app, see which feature is using the most power.
2
Disable "Always-On Display"
Saves significant power during the night.
3
Enable "Theater Mode" or "Sleep Mode"
Prevents the screen from turning on when you move in your sleep.
When to See a Technician
If the battery is old, it may lose its charge much faster when the temperature drops at night.
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