Xbox One S owners have been asking this question for years now, and the answer is still a bit of a mystery. Some people say that leaving their Xbox One S on for extended periods of time will not cause any damage, while others claim that it can actually shorten the life of the device. There is no definitive answer, but it seems like the safest bet is to avoid leaving your Xbox One S on overnight or for more than a few hours at a time. If you do need to leave your console turned off for an extended period of time, make sure to power it down completely and disconnect all cables before doing so. ..