The lowest rating of somebody you're willing to sleep with (scale of 1-10).
You: Jay is so drunk his sleep number is down to 2.

Me: His wife is a 3, so he's not that drunk.
by 40 Foot Virgin February 3, 2018
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number of people someone has slept with
You just made my sleep number four
by Sapphire Reign June 21, 2007
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the number of people you have slept with
My sleep number has nothing to do with a mattress-but what happens on top of it!
by dorksideofthemoon March 17, 2021
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