Enuresis (bedwetting) is the involuntary discharge of urine during sleep. It is called bedwetting after the age by which bladder control should have been established. In children, voluntary control of urination is usually present by the age of five. Nevertheless, nocturnal enuresis is present in about 15 to 20 percent of otherwise healthy 5-year-old children, 7 percent of healthy 7-year-olds, 5 percent of healthy 10-year-olds, 2 to 3 percent of 12 to 14-year-olds and 1 to 2 percent of normal...