Fight week messes with more than just nerves. Fighters often hit the sack at 4...

https://ricardosinspiringblogs.readspirex.com/posts/rehydration-night-digestion-keeps-me-awake-any-fixes

Fight week messes with more than just nerves. Fighters often hit the sack at 4 or 5 am, then wake around 2 or 4 am, caught in a cycle that’s tough to break