1. sleep in - Noun
2. sleep in - Verb
live in the house where one works
sleep later than usual or customary
Source: WordNetsleep-in
Think in the morning. Act in the noon. Eat in the evening. Sleep in the night. William Blake
Better to sleep in an uncomfortable bed free, than sleep in a comfortable bed unfree. Jack Kerouac
We sleep in separate rooms, we have dinner apart, we take separate vacations - we're doing everything we can to keep our marriage together. Rodney Dangerfield
The snake and the crab don't sleep in the same hole. African Congo Proverb
A man with too much ambition cannot sleep in peace. African Proverb
Joy and sorrow sleep in the same bed. Czech Proverb