Fight week throws sleep out the window. Fighters often hit the sack around 4 or...

https://golf-wiki.win/index.php/Traveling_from_the_United_States_to_Abu_Dhabi_for_a_Fight_-_Sleep_Tips

Fight week throws sleep out the window. Fighters often hit the sack around 4 or 5 am after stressful weigh-ins Friday morning. Long waits in tight locker rooms and early doors at 6 pm only make it harder to catch rest when it counts