Fight week throws fighters into a weird rhythm: weigh-ins Friday morning, then...

https://varimail.com/articles/what-does-a-schedule-built-to-destroy-sleep-look-like-in-fight-week/

Fight week throws fighters into a weird rhythm: weigh-ins Friday morning, then a long wait before the doors open at 6 pm. Many find themselves wide awake at 2 or 4 am, or barely hitting the sack around 4 or 5 am