Discover why your iPhone's battery drains overnight.
Many iPhone users experience their battery dropping to 20% overnight, but the cause and solution have now been revealed.
Báo Khoa học và Đời sống•13/03/2026
Many people have woken up to find their iPhone battery had dropped to an alarming level overnight. The most common cause is a software bug or an outdated iOS version that causes background processes to malfunction.
Social media, messaging, and location apps continue to run silently in the background and drain battery even when the device is idle. Constant notifications that light up the screen also contribute to rapid battery drain while sleeping.
iCloud backup and photo/ video syncing via Wi-Fi typically consume a lot of energy. Location services allow apps to access your location in the background, causing significant battery drain overnight. The solution is to update to the latest iOS, turn off background app refresh, and activate Focus or Do Not Disturb mode.
Additionally, enabling Low Power Mode and controlling location access will help your iPhone maintain a more stable battery life. Readers are invited to watch the video: Apple kicks off its 2026 product week with the affordable iPhone 17e and the iPad Air with the M4 chip.
Comment (0)