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Antidepressants 'linked to sleeping disorder'

20 June 2006

Research by the Mayo Clinic in the US has suggested that regular use of antidepressant drugs could increase the chances of younger people developing rapid eye movement (REM) sleep behaviour disorder - in which people find themselves acting out unpleasant or violent dreams. However, researchers add that this is not a reason to stop taking antidepressants.

The disorder is caused by loss of muscle paralysis during the phase of sleep known as rapid eye movement - or the dream stage - when paralysis of the body normally prevents people from acting out their dreams.

R. Robert Auger, sleep medicine specialist for the Mayo Clinic, said that doctors should be aware of this potential side-effect, especially in patients under 30 who complain of sleep disturbances.

However, he added that people should not stop taking an antidepressant based on this research.

The study does not necessarily show that antidepressants cause the sleep disorder. Instead, the researchers suggest that rapid eye movement behaviour disorder could itself be linked to depression, resulting in the need for treatment with antidepressants.

A third possibility is that a common factor causes both the sleeping disorder and depression.


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