Антонимом a sleeping

sleepless wakeful awake unsleeping conscious insomnolent waking insomniac unsettled alert active restless wide-awake wide awake roused attentive up

stimulant energising energizing stimulating revitalising revitalizing reviving refreshing reinvigorating restorative vitalizing envigorating invigorating renewing

awakened active live manifest realised realized alive functioning employed working apparent patent obvious clear evident overt conspicuous open visible public explicit unconcealed plain blatant undisguised glaring observable avowed brazen shameless unmistakable noticeable flagrant plainly seen expressed

alive animated astir bustling busy buzzing flourishing humming lively thriving vibrant

vigorous energetic animated spirited agile alert dynamic dextrous dexterous enlivened hyper sprightly kinetic springy perky vivacious bouncing bouncy frisky peppy pert quick snappy spry nimble sporty active stimulated lively airy animate sparkling zestful bubbly vital tireless unflagging roused vibrant sparky enthusiastic untiring indefatigable zippy brisk

manifested externalized palpable externalised discernible perceivable tangible unconcealed exteriorized observable

consciousness wake wakefulness

waking awaking arising awakening rousing arousing wakening stirring bestirring waking up getting up wakening up getting going bestirring oneself knocking up getting out of bed rousing from sleep

asleep on the job a slew a slew of as like as chalk and cheese as little as possible as long as asleep at the switch asleep as late as a slap on the back aslant asks politely