Scientists have tried to understand why women more often than men Wake up in the middle of the night or too early in the morning. According to the latest data, the sleep of men is significantly stronger. Blame circadian rhythms, say the researchers. Features of the female body slip "internal clock" in comparison with men for about two hours.
In the morning, women feel more cheerful men. The health of the stronger sex is better revealed by the evening, whereas women are revealed in the first half of the day and the night exhausted and want to sleep. According to the data collected, the "internal clock" women are ahead of men's hours 1.7-2.3 hours.
While the observations of scientists is limited to 25 volunteers who have agreed to daily monitoring sleep for three days. The study proved that women are one and a half times more likely to experience problems with sleep.