Describe explanations of other sleep disorders (9)

Somnambulism (sleepwalking)- this affects 1 in 10 people. The persons eyes are open, it usually occurs in NREM sleep(stages 3&4) slow wave sleep. Most common in childhood and accidents may occur.

Causes

• Genetic dedposition
• Fatigue
• previous lack of sleep
• stress/anxiety
• alcohol/drugs

Hublin used Finnish twins cohort and found genetic contribution to sleep walking in childhood is 66% (boys) and 57%(girls). In adulthood 80% (men) 36%(women). However sex difference doesnt seem significant in childhood but does in adults :S.

Dabrowska says sleepwalking could be signs of a chronic inability to sustain…