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Adaptive Standby Wake

What is it

Adaptive Standby Wake is when your Mac wakes early and tries to perform task before you arrive, it can stay awake all day waiting for you to come and interact with your Mac. If power loss occurs while on Adaptive Standby Wake, the computer will remain awake until the battery is drained.

Causes

There do not appear to be any options to control "Adaptive Standby Wake", but it seems connected to PowerNap.

Solutions

Intel Macs

Make sure that "Wake for Maintenance" is unselected in the "Settings" window.

M1 Macs

These isn't an obvious solution for M1 Macs, as disabling "Wake for Maintenance" can actually lead to Excessive Insomnia.

Additional notes

In hot climates, Adaptive Standby Wake can be a trigger for Dark Wake Thermal Emergencies.