Top Definition
Amount of sleep which is needed for a person to look good when he or she gets up in the morning.
Cuddy: You look like hell! Are you sick?

House: I'm fine. I just didn't sleep last night. And here, you probably thought that 'beauty sleep' is just a woman's term. Sexist pig."
by sysonpyh July 02, 2009
1 more definition
Sleep necessary for good health, concentration etc.
Not now, I need my beauty sleep.
by The Return of Light Joker July 23, 2009

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×