Once my sister was working the graveyard shift at work so I invited a friend over to play video games, my sis said it was ok as long as he left before midnight, we stayed up all night drinking beers and playing Nintendo 64, my sister came home a 6:00 am and saw him there and asked what he was still doing there.
We said that we just woke up and I went over to his house and brought him over to play more games. She believed us, even though she knew I never wake up before 11:00 am mostly.