The sleepers ' brains will not be impaired by waking up , but they may react violently . Sleepwalking has occurred among nearly one in three Americans , study says . Score: 6 Stress and lack of sleep can aggravate sleep disorders . Medications are available for more serious cases .
Sleepwalking has occurred among nearly one in three Americans , study says . Score: 6 Stress and lack of sleep can aggravate sleep disorders . Medications are available for more serious cases .