Thuis just happened to us last night (this am). at 1:30, all was quiet. At 4:15, the TV was on. TV is a 2 year old Vizio 60" smart TV. Service is X1. Box is about 3 years old.
go to your TV settings and turn off CEC. you might want to first turn off the powersaver function on the X1 set top box to see if that cures the problem.
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