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

https://varimail.com/articles/what-does-a-schedule-built-to-destroy-sleep-look-like-in-fight-week/

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