Parasomnias are abnormal behaviors that occur during sleep.
Recurrent episodes of abrupt terror arousal from sleep, usually beginning with a panicky scream. There is intense fear and signs of autonomic arousal such as mydriasis, tachycardia, rapid breathing and sweating, during each episode. There is relative unresponsiveness to efforts of others to confront the person during the episode. Sleeping child screemly cries, sweats, sometimes walks, has rapid heartbeat, and cannot easily be awakened or comforted. More common in boys than girls and possible genetic link since they tend to run in families. May subside with time.
David H. Barlow, BOSTON UNIVERSITY
V. Mark Durand, UNIVERSITY OF SOUTH FLORIDA- ST. PETERSBERG
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