Stardew Valley Night Owl is a mod that allows players to stay up a full 24 hours instead of being restricted to 2AM.
Some of the features include
-A transitional lighting effect that lasts from 2AM to 6 AM
-Gold doesn't have to be subtracted from you when you collapse.
-Persistent health and stamina when you stay up 24 hours
-Remaining in the same place as where you collapsed!
Plenty of features can be found in the Night Owl Config to be edited as you please.