MrBeast admits to suffering from claustrophobia, noting that he had to train himself to tolerate confined spaces by sleeping in a coffin.

“with beard I am a very claustrophobic person like I am which is why everyone told me it was a bad idea like even if like my girlfriend just lays on me for five seconds I start no [ __ ] way so leading up to it I would have to sleep in a coffin in my garage some nights to like train myself”