How to fix iPhone battery drain error when left overnight

Many people are surprised when their iPhone battery drains quickly while sleeping. The causes come from background apps, outdated iOS, notifications or iCloud backups.

If you find your iPhone battery is very low in the morning, the cause is often software or applications running in the background.

Outdated iOS or background process glitches can cause battery drain even when your device is idle.

The simple solution is to restart your device or update iOS to the latest version to fix the error.

Some social media and location apps still silently drain battery while refreshing data.

Users can go to Settings > Battery to check which apps are draining the battery and turn off background activities.

Constant notifications waking up your iPhone also causes the battery to drain faster during the night.

Turning on Do Not Disturb or Focus mode while sleeping will limit screen brightness and vibration.

Additionally, turning off location services and iCloud backups at night also helps your iPhone maintain battery better.

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