Fight week can wreck even the toughest fighters' sleep. Early Friday weigh-ins...

https://www.toro-bookmarks.win/fight-week-is-brutal-for-sleep-fighters-often-hit-the-sack-around-4-or-5-am

Fight week can wreck even the toughest fighters' sleep. Early Friday weigh-ins followed by long hours in locker rooms mean fighters often hit the bed between 4 and 5 am