Sleep disorder 'can lead to heart problems'

People suffering from insomnia could find they experience more cardiac problems, according to new research.

The study, conducted at the Universite de Montreal, compared the blood pressure of people suffering from the sleep disorder to those who sleep normally and found that the insomniacs had higher blood pressure at night.

In the article, published in the official publication of the Associated Professional Sleep Societies, the Sleep journal, it is claimed that insomnia affects 48 per cent of people at some point.

Dr Paola Lanfranchi, lead author of the report, claimed that this period of high blood pressure could do damage to an otherwise healthy person if it was to go on over a number of years.

She said: "Whereas blood pressure decreases in regular sleepers and gives their heart a rest, insomnia provokes higher night-time blood pressure that can cause long-term cardiovascular risks and damage the heart."

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