What is Night-time High?
1.
a state of mind in which you are so deprived of sleep that you attain a feeling of high much like marajuana.
Resulting in, but not limited to; thinking everything is excesively hilarious when in reality it is not or, acting like an idiot while half way between sleep and awake.
"It's 5 in the morning and brent just tried to jump off the roof, that guy must have a serious night-time high to pull that crazy shit!!"
See
