Not having enough sex? Maybe you're not getting enough sleep, News.com.au reports.

Chronic sleep deprivation may damage the male libido and trigger erection problems, a Brazilian sexual health specialist said Tuesday at an international sleep conference in Cairns, Australia.

Professor Monica Andersen, a lecturer at the Federal University of Sao Paulo, said the increasing pace of the modern world is interfering with sleep and taking a toll on male sexual performance.

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Speaking at the 5th World Congress of the World Federation of Sleep Research and Sleep Medicine Societies, Andersen said there is an increasing body of evidence showing those who don't sleep enough are suffering lower libidos and, in many cases, are also suffering erectile dysfunction.

She added that, in a very few number of men, this lack of sleep is triggering a rare and disturbing condition called sleep sex, or sexsocmnia, when their libido is heightened and they initiate sex while asleep.