Holly Madison revealed one of Hefner's more unsettling rules for the Playboy Mansion

Crystal Hefner, the Playboy founder's third and last wife, said there was a strict set of rules she had to follow

Crystal Hefner was the Playboy founder's third and last wife

She's trying to raise enough money to live on a boat

The former girlfriend detailed the 'bedtime routine' they hated

Holly Madison openly spoke about her time as one of Hugh Hefner's girlfriends

The twins were both left 'suicidal' after leaving the house

Karissa and Kristina Shannon said intercourse with Hefner was like 'having sex with your grandpa'

He also referred to the Playboy Mansion as the 'great equaliser' in Hollywood

Izabella St. James opened up on her experience in her memoir Bunny Tales

Kendra Wilkinson first moved into the Playboy Mansion in 2004

The reality star got her kit off for Playboy back in 2007

Holly Madison spoke out about life in the Playboy Mansion

Crystal Hefner held back from speaking badly of Hugh for a number of years

The Playboy magnate was determined to spend the rest of eternity right next to his first ever cover girl

The notorious Playboy put his sex life before his health, according to his widow Crystal Hefner

The Playboy founder had a signal for days where he was expecting after-hours activities

The child star revealed he spent a lot of time in Hugh Hefner's infamous LA home while growing up

The Bunnies had their own way of getting the place festive

Crystal Hefner had been married to the Playboy owner in the years leading up to his death