Dictionary

narcolepsy: A condition of falling asleep spontaneously and unwillingly at inappropriate times.

night terror: Abrupt awakening from sleep with behavior consistent with terror.

noctambulism: Another word for somnambulism, or sleepwalking.

nocturnal enuresis: Another term meaning bedwetting.

nocturnal myoclonus: Another word name for Periodic Limb Movement Disorder.