Is macOS Monterey Draining Your Battery Overnight in Sleep Mode?
Jun 25, 2025 am 09:29 AMThere has been some online discussion about battery drain occurring overnight on MacBook Pro and MacBook Air laptops while the devices are in sleep mode. Many users have reported noticing this issue after updating to a recent version of macOS Monterey.
Although there seems to be an increase in reports of overnight battery drain with macOS Monterey 12.2, this specific problem existed even before the release of macOS Monterey. As we discussed last October prior to the launch of Monterey, similar overnight battery drain issues were occurring for some Mac laptop users on later versions of macOS Big Sur.
The good news is that there's now a straightforward solution — updating macOS Monterey should resolve the problem. If you're experiencing this issue on a Mac running a version earlier than Monterey, turning off Bluetooth might help prevent battery drain during sleep.
Fix Battery Drain by Updating macOS to 12.2.1
If your Mac is losing battery power while in sleep mode, updating to macOS Monterey 12.2.1 or newer should fix the issue. Apple released this update specifically to address the sleep-related battery drain.
- Open System Preferences > Software Update
- Click “Update Now” for macOS Monterey 12.2.1
Workaround for macOS Monterey Draining Battery Overnight
For users still on older versions of Monterey (either because they haven’t updated yet, can’t update, or are still using Big Sur), here’s a workaround that may help:
- Before putting your Mac to sleep, open the Bluetooth menu and turn Bluetooth OFF
- Once the Mac wakes up from sleep, open the Bluetooth menu again and turn Bluetooth ON
This method isn't perfect, especially for those who use their Mac laptop in clamshell mode, but it's worth trying if you're dealing with significant battery drain on your MacBook Pro, MacBook Air, or any other MacBook model running MacOS Monterey.
If you'd like to learn more about why your MacBook battery might be draining during sleep, further information is available.
Numerous complaints about this battery drain issue have appeared on Twitter and various forums, prompting Apple to release the macOS 12.2.1 software update to address the problem.
Hello @AppleSupport. It's been 1 week every night (sleep mode) something is draining my Macbook Pro battery from 100% to 0%.. #apple #macbook
16" MacBook Pro model. #appleissue pic.twitter.com/RFPWDfDsU6
— Crunchify (@Crunchify) February 1, 2022
Whoa macOS 12.2 21D49 (the current version) is behaving like Windows! Battery went from full to 0% while on sleep mode overnight. Any fix, @AppleSupport? pic.twitter.com/w1kdJXyU7r
— fishjourner (@fishjourner) January 29, 2022
Are you experiencing battery drain when your Mac is in sleep mode overnight or while traveling? Did updating to macOS 12.2.1 solve the issue for you? Or did you rely on the Bluetooth workaround instead? Share your experience in the comments below.
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