Pulling a 2 am session? Your ears aren't as reliable as you think. After hours...

https://wiki-net.win/index.php/Why_Does_Bright_Light_at_Night_Mess_Up_My_Sleep_After_Sessions%3F

Pulling a 2 am session? Your ears aren't as reliable as you think. After hours of tracking, sound fatigue kicks in, and caffeine only masks it for so long—its half-life of 5 to 6 hours means you'll feel wired but still tired