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

https://claytonsuniquethoughtss.quillnesty.com/posts/is-thc-still-banned-in-competition-for-fighters-a-deep-dive-into-fight-week-challenges-and-testing-rules

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