Sleeping longer should make you feel great, right? So why does it sometimes make you feel tired? The Sleep Doctor, as Michael J. Breus, is known, answers this question in an article on Huffington Post and on his own Twitter account.
The average person spends about one-third of his life sleeping. As much as people love sleep, maybe you don’t want to spend any more than one-third of your life in it so as not to miss all the excitement.
Dr. Breus, an author and physician, says the right amount of sleep is so important to people’s health that sleep itself should be added to the vital signs along with heart rate, temperature and blood pressure. His Twitter account has links to articles by himself and others advising that sleep loss can and other sleep aberrations can cause heart disease, high blood pressure, cancer, diabetes, make you eat unhealthy foods and gain weight and undercut social skills.
Plus, he reports, getting the right amount of sleep can make you look more intelligent.
The World Sleep Society says there are more than 100 sleep disorders, and sleep is one of the three pillars of good health, along with a good diet and exercise.
In his article on feeling tired after sleeping longer, Dr. Breus says the reason for this is because the circadian rhythm gets thrown off. The circadian rhythm, also known as the biological clock, is the cycle of sleeping and waking.
The circadian rhythm can be interrupted by being exposed to light when it is normally dark, a break in a person’s routine, sleeping too much or too little or by chemical stimulation or tranquilization (drugs).
Dr. Breus says the body’s rhythms reset every 24 hours. He adds: “Once our body clocks, or circadian pacemakers, start ‘telling the wrong time,’ we feel it in lethargy, fatigue, and a sleep cycle gone haywire. The clock says one thing and your body says another, very similar to jet lag.”
Within the body’s biological rhythm is a sleep cycle, which lasts between 80 to 120 minutes. The average is 90 minutes, Dr. Breus says. The average person who sleeps 7.5hours goes through five cycles each night. When you sleep in, you are extending your number of cycles, and then generally you wake up in the middle of a cycle. If it is in the part of the cycle that is deep or REM sleep you can wake and feel worse than before you went to sleep,” Dr. Breus writes.
Dr. Breus gives tips on how to keep your biological rhythm working like clockwork:
The World Sleep Society website, which proclaims Good Sleep Is a Reachable Dream, has 10 commandments of sleep that it publicizes on World Sleep Day. The site advises:
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