[Question] Is it generally more electrically efficient to keep the AC at 70, or to set it to 70 for 12 hours and 74 for the other 12?

I like to have it warm in the morning so it's easy to wake up, and cool in the evening so it's easy to fall asleep, but someone told me it is harder for the AC to to go up and down than if it just stayed low.

submitted by /u/cynwniloc
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