"Bed sharing 'drains men's brains' "
When men spend the night with a bed mate their sleep is disturbed, whether they make love or not, and this impairs their mental ability the next day.
The lack of sleep also increases a man's stress hormone levels.
According to the New Scientist study, women who share a bed fare better because they sleep more deeply.
Solution tin foil hats to stop women, draining our brains!!!!!!!!
Full story: http://news.bbc.co.uk/1/hi/health/5197440.stm