A Sleep Battle of the Sexes.
He sleeps. She sleeps. They sleep differently.
Women tend to have more deep sleep and awaken fewer times during the night than men do. They also weather some of the effects of a lack of sleep better than men, according to recent studies. Still, men overall say they are more satisfied with the amount and quality of their shut-eye than are women.
Getting enough sleep is an important factor in maintaining overall health. Scientists are increasingly focusing on gender differences in sleep, seeking clues about why women are more likely to suffer insomnia, for instance. Some researchers suggest that differences in sleep patterns could help explain why women live longer than men.
More at the WSJ.