In 1913, French scientist Henri Pieron wrote the book Le probleme physiologique du sommeil. This is the first paper to examine sleep from a physiological perspective. His work is regarded as the beginning of the modern approach to the study of sleep.
Dr. Nathaniel Kleitman, known as the “Father of the American Sleep Research”, began his research in Chicago in 1920 by questioning the rules concerning sleep, awake, and circadian rhythms. Kleitman important research includes study of sleep characteristics in different populations and the effects of sleep deprivation. In 1953, he and his student, Dr. Eugene Aserinsky, discover important things, namely the mechanism of rapid eye movement (REM) sleep. According to Kleitman, in the past, the benefits of sleep are often overlooked. The emergence of an understanding of the importance of sleep for health was fairly new. In fact, when a person sleeps less than six or seven hours each night, the risk of disease will increase.
Here are 12 reasons why sleep is important for your health:
1. Heart healthy. Your heart will be healthier if you get between seven and nine hours of sleep each night. It helps calm the nervous system and eliminate the stress of busy work.
2. Pressing the risk of cancer. People who work night shifts are at higher risk of breast cancer and colon cancer. The researchers believe that this is due to different levels of the hormone melatonin in people who are exposed to light at night. Exposure to light may reduce levels of melatonin. Melatonin is a hormone that protects the body from cancer. Melatonin appears to suppress tumor growth. Make sure that your bedroom dark to help your body produce the melatonin it needs.
3. Reducing the risk of hypertension. Stress is also caused by lack of sleep. Someone who experience stress can be bad if it prolonged because the function of the body is always on high alert. This causes increased blood pressure and increased production of stress hormones.
4. Inhibits aging. Stress hormones also make it harder for you to sleep. You are in dangerous circles. Stress hormones can also disrupt the balance of other hormones that accelerate the disease process and the aging process.
5. Vigilance. Sleep well at night makes your internal systems such as the immune system becomes more alert and alive.
6. Increase your memory. When dreaming and deep sleep is an important time for your brain to rest. Getting more quality sleep will help you remember better.
7. Lose weight. Those who slept less than seven hours per night were more likely gained weight. Lack of sleep also affect the hormone balance in the body that affect appetite. Hormones ghrelin and leptin, which should be important for the regulation of appetite, become disrupted due to lack of sleep.
8. Prevent heart disease. Sleeping during the day become an effective alternative to protect health and make you more productive. A study of 24,000 adults in Greece shows that people who napped several times a week a lower risk of death from heart disease.
9. Low stress levels. People who nap at work have much lower stress levels. Napping also improves memory, cognitive function, and mood. Sleeping during the day, which is sometimes called a “power nap”, is one of the secrets of the success of the 40th president of the United States, Ronald Reagan.
10. Lower risk of depression. Sleep affects many chemical elements in your body, including serotonin. People who lack the serotonin normally would suffer depression. You can help prevent depression by making sure you get the right amount of sleep.
11. Heal. Sleep is the time for your body to repair damage caused by stress, ultraviolet light, and exposure to other harmful substances. Sleep is also a time to get rid of toxins that accumulate during the move all day.
12. Produce more protein. Your cells will usually produce more protein while you’re sleeping. Molecules form the building blocks for cells, allowing them to repair the damage. Sleep cureheadaches or colds.
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