The state of sleeplessness where it seems like that one is drunk. This usually comes with goofiness, stumbling around, and just plain acting crazy.
Person #1: *giggling crazily at the farting sounds of the ketchup bottle* That's nasty! *continues to gigglesnort*

Person #2: How much sleep did you get last night? It sounds like sleep intoxication.
by Rokara January 2, 2010
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Also known as SDI.

This describes the feelings and actions of someone in the period of consciousness right before going to sleep. Frequently the result of fighting sleep. The actions often resemble those of someone under the influence of alcohol.
Oh. She wasn't drinking. She just hit sleep deprivation intoxication. It was way past her bedtime.
by bloomsummer10 May 22, 2011
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