Translation guide
Describes someone who is deeply and soundly asleep, not easily woken. In Japanese, this is commonly expressed with adverbs like ぐっすり or phrases meaning 'sleeping deeply'.
To say someone is sleeping soundly and deeply, not easily disturbed.
An adverb meaning 'soundly' or 'deeply', most commonly used with 寝る (to sleep). It implies a peaceful, deep sleep.
昨夜はぐっすり寝ました。
I slept soundly last night.
赤ちゃんはぐっすり眠っている。
The baby is fast asleep.
Literally 'in deep sleep'. A slightly more formal or written way to say someone is fast asleep.
彼は熟睡していて、地震に気づかなかった。
He was fast asleep and didn't notice the earthquake.
Slang for 'sleeping like a log' or 'dead to the world'. Very casual and expressive.
昨日は疲れて爆睡してた。
I was exhausted yesterday and slept like a log.