Fight week can wreck a fighter’s sleep. Early Friday morning weigh-ins, long...

https://research-wiki.win/index.php/How_Early_Should_a_Fighter_Arrive_to_Adjust_to_Time_Zones%3F_Navigating_Fight_Week_Chaos_and_Jet_Lag

Fight week can wreck a fighter’s sleep. Early Friday morning weigh-ins, long hours locked in a cramped locker room, and late doors at 6 pm all throw off their rest. Waking up at 2 or 4 am becomes the norm before stepping into the ring