What is another word for be out like a light?
Pronunciation: [biː ˈa͡ʊt lˈa͡ɪk ɐ lˈa͡ɪt] (IPA) 
"Be out like a light" is a commonly used phrase to describe that someone is fast asleep, especially after a tiring day. If you want to avoid repetition, there are many synonyms to express the same thing. For instance, "dead to the world" is a phrase that means completely unconscious and unaware of one's surroundings. "Asleep like a baby" describes how soundly a baby sleeps and can be used to describe someone who is sleeping peacefully. "In the land of Nod" is another commonly used phrase to mean sound asleep, and "sleeping like a log" means being in a deep and uninterrupted sleep. All of the above synonyms can be used interchangeably with the phrase "be out like a light".
