Opposite words for sleep :
disturbance, consciousness, toil, excitement, life, sleeplessness, restlessness, existence, disquiet, work, strain, wakefulness, motion, stir, nativity, rise, wake, agitation, movement, life span, origination, birth, genesis, unrest, rush, tumult, insomnia, immortality, creation, commotion, lifetime.
You can sleep all right. "More Jonathan Papers", Elisabeth Woodbridge.
All dead things sleep! "A Breath of Prairie and other stories", Will Lillibridge.
I will leave you now and get some sleep. "San-Cravate; or, The Messengers; Little Streams", Charles Paul de Kock.
When do you sleep? "The-Circus-Boys-on-the-Flying-Rings-or-Making-the-Start-in-the-Sawdust-Life", Darlington, Edgar B. P..