Schlaftrunken

A rarely used German adjective commonly used by old people to describe the State of sleep deprivation where one begins to seem as if under the influence of alcohol!

Person1: I haven’t slept in two days now but i am feeling amazing! Im not tired at all anymore!! Do you wanna go to the park??
Person2: its 3 am we cant go to the park dude!! Du bist schlaftrunken, take a nap!