Unit 5 Chapter 13 Sleep
REM
20% of sleep; dream sleep, body is paralyzed, eyes move
Parasomnia
Night terrors; characterized by extreme terror and a temporary inability to regain full consciousness; no memory of the episode
Parasominia
Unusual behaviors occuring during sleep
Central Apnea
failure of respiratory drive, when the brain temporarily stops sending signals to the respiratory muscles that control breathing
Non-REM
non dream sleep, has 4 sleep stages
Obstructive Apnea
repetitive pharyngeal collapse during sleep, which leads to absence of breathing; causes person to awake gasping for breath
Somnambulism
sleep-walking; function at very low level of arousal with no memory of the event; usually occurs in children
Restless Leg Syndrome
urge to move legs, uncomfortable sensation, worse during rest and at night, relieved by movement
Narcolepsy
Periods of exteme drowsiness for about 15 minutes every 3 to 4 hours; symptoms include hallucinations, inability to move
Enuresis
bed-wetting; occurs when a child is difficult to arouse; usually outgrown
Dysomnias
disorders of initiating and maintaining sleep and disorders of excessive sleepiness
Insomnia
inability to fall or stay asleep; may be associated with drug or alcohol abuse, pain, depression, obesity and aging
Sleep Apnea
lack of breathing during sleep; produces low 02 saturation, hypertension, ploycythemia, cyanosis, edema, and right sided heart failure.