Top Definition
Intentionally or inententionally getting so much sleep on a regular basis that you're able to pull an all nighter when needed (specifically for school projects)
John: hey man did you finish the project?

Bill: yah man I just pulled an all nighter for it

John: aren't you tired?

Bill: no man I was sleep hibernating all week, I fell great
by kz9320 June 19, 2011

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