DJs and producers know the 4 AM body clock all too well—like the moment exactly...

https://record-wiki.win/index.php/Does_Chronic_Sleep_Loss_Change_Your_Mood_Even_If_You_Think_You%27re_Fine%3F

DJs and producers know the 4 AM body clock all too well—like the moment exactly at 4:12 AM when their energy dips but the crowd keeps roaring