Sleep disorders
Any disorder that affects, disrupts, or involves sleep. The most common sleep disorder is probably snoring, although it is usually not medically significant. Insomnia, sleep apnea, restless leg syndrome, and sleepwalking are also sleep disorders. Most large medical centers have diagnostic and treatment facilities dedicated to sleep disorders.
See also sleep apnea, sleepwalking, snoring.
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- Sleep drug
Any drug used to help sleep. Most prescription sleep drugs are sedative hypnotic agents. They include Valium, Xanax, Restoril, Ambien, and Sonata.
- Sleep hygiene
McGraw-Hill Professional, 2008.
- Sleep restriction therapy
A type of therapy in which the number of hours of sleep are restricted. Sleep restriction therapy is used in insomnia. Some people with insomnia spend too much time in bed unsuccessfully trying to sleep. They may benefit from a sleep restriction program that at first allows only a few hours of sleep during the […]
- Sleep talking
Talking in one’s sleep is considered a normal phenomenon that is of no medical or psychological consequence. Also called somniloquy.
- Sleep, non-rapid eye movement
NREM (non-rapid eye movement) sleep is dreamless sleep. During NREM, the brain waves on the electroencephalographic (EEG) recording are typically slow and of high voltage, the breathing and heart rate are slow and regular, the blood pressure is low, and the sleeper is relatively still. NREM sleep is divided into 4 stages of increasing depth […]