短たん時じ間かん睡すい眠みん者しゃMeaningsNoun1. short sleeper; person who does not need much sleepKanji used短short時time間interval睡be asleep眠to sleep者someoneComposed of短たん時じ間かんshort timeNoun睡すい眠みんsleepNoun者しゃperson; -erSuffix