'Dead sleep' and 'sleep like a log' are colloquial expressions, right? Are there any other colloquial or slang expressions? In Japan, young people say BAKUSUI, literally 'explosive sleep'. That's very funny (strange), isn't it? Thank you.
Top answer
"Dead asleep" sounds more correct to me than "dead sleep" Another is: Sleep like a baby.
— Vorpar
"Dead asleep" sounds more correct to me than "dead sleep" Another is: Sleep like a baby.
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