There are several sleep disorders and many people all over the world suffering from them. But, sleeping also hides many curiosities. Have you ever thought about that?<\/p>\n
Need of sleep<\/strong><\/p>\n Experts recommend sleeping 8 hours per day. All over the world, 20% of population sleeps less than 6, which is dangerous for health. Excess of work or stress or even sleep disorders as insomnia are some of the main reasons for not reaching this minimum; but neither the caffeine can help the brain to be awake enough.<\/p>\n <\/p>\n Circadian rhythm<\/strong><\/p>\n Saturday 7am, what are you doing awake if you have nothing to do? Blame on your circadian rhythm, as it got used to a fixed schedule; so you have to be awake at least 16 hours per day. But it affects some people more than others.<\/p>\n\r\n Curious facts about dreaming and sleeping