Fight week disrupts sleep for many fighters. Early Friday weigh-ins and doors...

https://zulu-wiki.win/index.php/Does_Sleep_Debt_Mess_with_Emotional_Control_in_a_Fight%3F

Fight week disrupts sleep for many fighters. Early Friday weigh-ins and doors opening at 6 pm mean nights stretched thin. Some spend six hours cramped in locker rooms, while others fight grogginess after waking up between 2 and 4 am