“This is because women’s brains are wired differently from men’s and are more complex, so their sleep need is slightly greater,” said Professor Jim Horne, director of the Sleep Research Centre at Loughborough University in UK.
Pointing out that one of the major functions of sleep is to allow the brain to recover and repair itself, Horne said, “during deep sleep, the cortex — part of the brain responsible for thought memory, language and so on — disengages from the senses and goes into recovery mode.
The more a person uses his brain during the day, the more sleep he needs at night to recover, Horne said adding that “women tend to multi-task — they do lots at once and are flexible — and so they use more of their actual brain than men do.”
“A man who has a complex job that involves a lot of decision-making and lateral thinking may also need more sleep than the average male — though probably still not as much as a woman,” he said.
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