午后[gogo] afternoon
午後中[gogojuu] throughout the afternoon
午刻[gokoku] noon
午餐[gosan] lunch
午餐会[gosankai] luncheon party

午睡[gosui] nap
午前[gozen] morning
午前中[gozenchuu] this morning
午前様[gozensama] coming home after midnight

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