Sleep Number

The act of forming an erection while you sleep.

Ex. I had a sleep number last night.

sleep number

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.

sleep number

number of people someone has slept with

You just made my sleep number four

sleep number

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!