Yael Levy recalls having chronic nightmares as far back as elementary school, when she was living in Israel. The grandchild of Holocaust survivors, she says her dreams were filled with images of suffering and death.
In one recurrent nightmare, Levy was trapped in a concentration camp, facing death. In another, she was drowning in deep water. At their worst, the nightmares occurred on an almost weekly basis, leaving her jittery and desperately fatigued.
"I would wake up so terrified that I was afraid...
False: The average adult needs a total sleep time of seven to nine hours per day. While sleep patterns usually change as we age, the amount of sleep we generally need does not. Older people may sleep less at night due, in part, to frequent night waking, but their need for sleep is no less than that of younger adults.
True: Aside from bothering other people, snoring is not harmful. However, it can be a sign of sleep apnea, a sleep disorder that is associated with significant medical problems such as cardiovascular disease and diabetes. Sleep apnea is characterized by episodes of reduced or no airflow throughout the night. People with sleep apnea may remember waking up frequently during the night gasping for breath.
You can "cheat" on the amount of sleep you get.
False: Sleep experts say that most adults need between seven and nine hours of sleep each night for optimal health. Getting fewer hours of sleep will eventually need to be replenished with additional sleep in the next few nights. Our body does not seem to get used to less sleep than it needs.