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Sentence
Span Details
昨日
yesterdaynoun, adverb
あまり
remainder; leftovers; surplus; (not) very; (not) much; too much; excessively; extreme; severe; tremendous; not very good; mediocre; so-so; more than; over-> 余りnoun, no-adjective, adverb, noun suffix
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
られ
passive, potential, or respect auxiliary-> れる/られるgrammar
なくて、
negative auxiliary-> ないgrammar
寝不足
lack of sleep; insufficient sleepna-adjective, noun
なんだ。
explanatory emphasis-> のだ/んだgrammar