Clever Vocabulary: linked phrases and phrases Animal physiology: slumber & sleeping altered issue of consciousness attractiveness mattress bunk bye-byes capture/cop/get some z's idiom comatose rely crash doss doze off phrasal verb drift off phrasal verb electric powered electric power nap relaxation sleeping sleepwalk sleepwalking snoozing somnambulate your class slumber idiom https://trevorjufox.birderswiki.com/1126878/5_simple_statements_about_buy_snooze_carts_explained