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Night terrors found to be hereditary
According to a study published in Pediatrics, unidentified genetic factors are behind night terrors.

The study showed that compared to fraternal twins, identical twins are more likely to both experience night terrors.

Scientists believe environmental factors including fever, a full bladder, eating immediately before sleep, and stress may also contribute to night terrors.

Previous studies had reported controversial evidences showing sleepwalking and sleep talking are also hereditary.

Night terrors are characterized by an abrupt scream causing the individual to become confused, disoriented and inconsolable. Any attempt to awaken the sufferer worsens agitation and prolongs the episode. The individual does not remember the event upon waking.
 
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