A new study among children born in the Canadian province of Quebec found that more than 60 percent of children developed sleepwalking when both their parents were sleepwalkers.

Children with one parent who was a sleepwalker had three times the odds of becoming a sleepwalker compared with children whose parents did not sleepwalk.

As per the results, children whose parents both had a history of sleepwalking had seven times the odds of becoming a sleepwalker."These findings point to a strong genetic influence on sleepwalking and, to a lesser degree, sleep terrors," said Jacques Montplaisir from the Hopital du Sacre-Coeur de Montreal.

For the study, the team analysed sleep data from a group of 1,940 children. Sleep terrors and sleepwalking were assessed through questionnaires and parental sleepwalking was asked about.

Sleepwalking is a common childhood sleep disorder that usually disappears during adolescence, although it can persist or appear in adulthood.

Sleep terrors are another early childhood sleep disorder often characterised by a scream, intense fear and a prolonged period of inconsolability.

The study found that 47.4 percent of children with one parent who was a sleepwalker developed sleepwalking while 61.5 percent of children developed sleepwalking when both parents were sleepwalkers.

The study appeared online in the journal JAMA Paediatrics.

 

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