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

https://www.fightful.com/boxing/fight-week-the-sleep-problem-nobody-talks-about/

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