入にゅう眠みん障しょう害がいにゅうみんしょうがいじ字FuriganaMeanings1nounsleep onset insomnia; difficulty falling asleepmedicine›Medical term for a type of insomnia where the main problem is falling asleep initially, rather than staying asleep.入にゅう眠みん障しょう害がいのため、寝ねつきが悪わるい
