I left my laptop unplugged last night and woke up to 0% battery. This is not usually what happens. Is there a way I can find out, this time or next time, what caused that? I assume something was running that prevented it from going into low power or sleep mode.

1 Answer 1


Run the following in Terminal:

pmset -g log

You'll be able to check if there was some activity during the night.

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