When you're tired enough to take a good 1-3 hour nap, but not tired enough for your sleep to be considered a night's worth.
"Why are you up at 3 AM?"
"I tried to go to sleep at midnight, but I was only nap tired, so I woke up at 2:30, unable to go back to sleep."
"I tried to go to sleep at midnight, but I was only nap tired, so I woke up at 2:30, unable to go back to sleep."
by titanc_13 June 26, 2017
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