When one wakes too early in the morning, in which it is still dark outside.
Gabriel woke up at 4:00 A.M. Therefore he was late, because he still thought it was nighttime. This is when nightmorning can confuse someone while they are sleeping.
by Menbugme June 11, 2009
That time after 12 am and before 4 am where it's still too dark out to be considered morning.
"Oh man son, it's 2 am!" "Why, are you freaking out do you have to be somewhere?" "Nah, man, I do have to crash bro." "Okay, nightmorning bro."
by shootlootnrun March 19, 2016