The Risk Of Excessive Sleep

Sleep is very important for health. Deep sleep helps you relax. However, sleeping too much also causes negative effects. A person with excessive sleep disorder sleeps much more than the average person. Sleeping too much can disrupt the quality of life, increase the risk of accidents or cause health problems. Excessive sleep disorders include hypersomnia, long sleeping and Kleine-Levin syndrome.

So how much sleep is considered “too much”? The answer is more than nine hours a day. Results from a recent study have shown that people who regularly sleep too much might suffer from diseases such as neurasthenia, easy to get angry, depressed, pessimistic about life and about the people around. Additionally, more than 50% of those who sleep too much are usually attacked by dangerous diseases such

 as stroke, heart disease, or increase risk of diabetes than those who only sleep about 6 to 8 hours at night. Many people sleep too much during the daytime. It can be considered a sleep disorder, which makes it very difficult to completely feel healthy. Who sleeps too much can become lazy, weak, fatigue, stress, and can not focus on work and study. Also, excessive sleep can lead to some dangerous diseases:

Cerebral anemia and diabetes

Cerebral anemia is an insufficient amount of blood circulating in the capillaries. In the elderly, sleep too much easily increases the risk of cerebral anemia and leads to diseases related to the brain.  Another study showed that if not enough sleep, the risk of diabetes is twice compared to those who have enough sleep. But excessive sleep can cause the risk of diabetes to three times higher. Particularly those who slept less than four hours per day or more than ten hours per day, whether male or female, have higher mortality rates.

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Diseases of the respiratory system, digestive system and heart

The air in the bedroom after a long night is often not fresh. Whether you open the window, the air in your room still contains large amounts of bacteria, viruses, CO2. Those can badly affect the resistance of the respiratory system. When your body is at rest, heart rate and blood circulation all decrease. Sleeping too much will destroy the habits of movement and resting of your heart and easily lead to other dangerous heart diseases. Besides, sleeping too much will make you not eat on time, leave a bad effect on the gastric juice producing process, disrupting the function of the digestive organs.

So, how much time should we spend on sleep is reasonable? People vary in their need for sleep, but experts agree that for most adults the amount needed to feel one’s best is somewhere between seven and nine hours per night, and teens usually need about nine hours of sleep per night.