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noun (common) (futsuumeishi), noun or participle which takes the aux. verb suru, intransitive verb, nouns which may take the genitive case particle 'no'
sleeping like a log, (being) fast asleep (bombed, crashed)
colloquial-
「寝てた？」「爆睡」「そ、そうか？」「なんかうなされてたよ。怖い夢でも見てた？」
"I fell asleep?" "Totally." "Really?" "You were very restless, did you have a scary dream?"
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