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Sentence analysis
4Spans
Sentence
Span Details
知らないうちに
before one knows it; without noticing; unawaresexpression
寝
sleep (lying down); go to bed; lie down; sleep with; have sex with; lie flat (hair, etc.); lie idle (funds, stock); ferment (soy sauce, miso, etc.)-> 寝るichidan verb
てしまっ
completion or regret-> てしまうgrammar
た。
past tense or completed actiongrammar