I am sure he is still awake by now as I heard he does not get proper sleep after defeats! (justarsenal.com)
With knowledge of proper sleep hygiene, new behaviors and habits can be incorporated in your life that promote, rather than disrupt, a healthy sleeping pattern. (hypnosis.ahcenter.com)
Eight hours and fifteen minutes is believed to be the ideal physiological amount of time that the body requires for proper sleep time. (womenfitness.net)