2Sa 5:4-5 KJV David was thirty years old when he began to reign, and he reigned forty years. [v. 5] In Hebron he reigned over Judah seven years and six months: and in Jerusalem he reigned thirty and three years over all Israel and Judah. This would have made David 37 when he became king of all Israel. Do not get confused between 'Judah' and 'Israel': they are not the same.
Sleep paralysis: A frightening form of paralysis that occurs when a person suddenly finds himself or herself unable to move for a few minutes, most often upon falling asleep or waking up. Sleep paralysis is due to an irregularity in passing between the stages of sleep and wakefulness.
sleep deprivation a nursing diagnosis accepted by the North American Nursing Diagnosis Association, defined as prolonged periods of time without sleep (sustained, natural, periodic suspension of relative consciousness). thought deprivation blocking (def. 2).