Fight week can shred a fighter's sleep. Early Friday weigh-ins throw off...

https://www.bright-bookmarks.win/fight-week-throws-fighters-into-a-tough-sleep-cycle-after-friday-s-early

Fight week can shred a fighter's sleep. Early Friday weigh-ins throw off rhythms while waiting six hours in cramped locker rooms adds stress. Many wake between 2 and 4 a.m., tossing and turning until the doors open at 6 p.m