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Sentence analysis
7Spans
Sentence
Span Details
睡眠
sleep; slumbernoun, no-adjective
は
topic markergrammar
記憶保持
memory retentionnoun
に
direction, time, indirect object, or target markergrammar
重要
important; essential; significantna-adjective
な
adnominal form of the copula after a na-adjectivegrammar
役割を果たす。
play a role; serve a function; play a partexpression, verb