Fight week is brutal for sleep. Fighters often hit the sack around 4 or 5 am,...

https://lorenzoscoolchat.novacrestiq.com/posts/rehydration-night-digestion-keeps-me-awake-any-fixes

Fight week is brutal for sleep. Fighters often hit the sack around 4 or 5 am, wake up at 2 or 4 am, then spend six hours cramped in the locker room before Friday morning’s weigh-ins. That’s a tough cycle to break before stepping into the ring.