一睡り[hitonemuri] (usu. in positive sentences) (a) sleep
一睡[issui] (usu. in negative sentences) (not) a wink of sleep
午睡[gosui] nap
昏睡[konsui] lethargy
こん睡状態[konsuijoutai] lethargic state

熟睡[jukusui] sound sleep
睡眠[suimin] sleep
睡眠剤[suiminzai] sleeping tablet
睡眠不足[suiminbusoku] lack of sleep
睡眠薬[suiminyaku] sleeping pill

鱶鰭[fukahire] shark fin
羅鱶[rabuka] frilled shark (Chlamydoselachus anguineus)
睡鱶[nemuribuka] whitetip reef shark (Triaenodon obesus, species of Indo-Pacific requiem shark)
水鱶[mizubuka] blue shark (Prionace glauca, species of circumglobal requiem shark)

鱶の鰭[fukanohire] shark fin
鱶鰭スープ[fukahiresuupu] shark fin soup
鱶潤目[fukaurume] shark fin