Fight week throws off fighters' sleep like nothing else. Early Friday...

https://weekly-wiki.win/index.php/Why_Is_Friday_Night_Before_the_Fight_the_Worst_Sleep%3F

Fight week throws off fighters' sleep like nothing else. Early Friday weigh-ins, long waits in the locker room, and doors opening at 6:00 pm make it tough to settle in. Some wake up at 2 or 4 am, far from their usual rhythm