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

https://station-wiki.win/index.php/How_Do_Corners_Stop_the_Adrenaline_Spikes_During_Long_Fight_Cards%3F

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