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

https://fast-wiki.win/index.php/Is_CBD_Allowed_for_Fighters_Under_WADA_Rules%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