Home
Questions
Reference
Interface
Excessive battery drain during sleep
What is it
The MacBook's battery is drained overnight or while it is being transported in a backpack, bag or luggage.
Causes
There appears to be multiple causes for excessive battery drain while the Mac should be sleeping. These include, but are not limited to the following.
Solutions
The key to solving excessive battery drain is to determine the cause. By running Sleep Aid on your Mac, it will record activities during sleep and will attempt to determine the cause for you.
These events will show up in red in the Sleep Aid history view, selecting the red area will reveal details in the sidebar.
- Bluetooth Ache; is when the Mac wakes up because of a bluetooth device, while its screen is off or the lid is closed. Please read Bluetooth Ache for more information.
- DID NOT SLEEP; something was preventing the Mac from sleeping. Please read "Did Not Sleep" for more information.
- Excessive Insomnia; it's perfectly normal for the Mac to wake up and do things, however excessive insomnia is not normal. Please read excessive insomnia for more information.
- Long Insomnia; is when insomnia tasks take too long or the Mac has scheduled a long process during sleep. Please read Long Insomnia for more information.