After a long and tiring week of work, many people will go to bed early on Friday night, hoping to get rid of the fatigue of the week. But when I woke up the next morning or in the afternoon, I found that my limbs were filled with sand and even a headache. If lack of sleep is a problem, why can't the extra supplemental sleep solve this problem?
Sleeping and disturbing the biological clock
The feeling of sleeping late is like a hangover, which scientists call "sleeping." However, unlike the severe nerve damage caused by alcohol, excessive sleep disturbs the human brain and controls the daily cycle of the body, making people feel sluggish and slow.
The internal rhythm of the body is set by a physiological pacemaker, a group of cells in the hypothalamus that control hunger, thirst and sweat. Based on the light signal in your eyes, the pacemaker determines when the time is morning for you, and then sends a chemical signal to the other cells, leaving the entire body in the same circadian clock.
Scientists say that pacemakers gradually tell the body's cells how to regulate the energy of the day. When we sleep too much, it is equivalent to closing the circadian clock, which is to tell the body's cells to redistribute the energy of the day, so that the body feels tired. When you get out of bed at 11am, your cell is already allocating its energy from 7 o'clock. This is similar to the time difference effect that people face.
Sleeping is associated with multiple diseases
If you sleep late, it will not only make you miss a good Saturday morning, but also put you at risk of diabetes, heart disease and obesity. A large number of nursing health studies at Harvard University found that people who sleep 9-11 hours a night have memory impairments and are more likely to suffer from heart disease than those who sleep 8 hours a night.
People who sleep late for a long time generally have a strange working time, or have a bad sleeping environment, or have a sleep disorder.
People who work in morning or night shifts tend to sleep late because they usually get up when the sun hasn't risen, and go to sleep when the sun hangs high. Doctors recommend using black curtains and artificial lighting to change the sleeping environment, rather than changing the body condition with medications or supplements. An application at the University of Michigan can adjust everyone's circadian clock by recording the amount and type of light people see every day.
When you sleep, your body cycle is in a different stage of sleep. Your muscles, bones and other tissues will be repaired during deep sleep before you enter out-of-phase sleep. However, if your bed or bedroom is uncomfortable (hot, cold, messy, etc.), your body will spend more time in the light sleep stage. For a good rest, you will sleep longer.
If you are sleeping in a normal environment and you still can't control sleep within eight hours, you may want to see a doctor. This may be a symptom of lethargy, making it difficult for your body to regulate fatigue and sleep more and more.
Sleep apnea syndrome is a potentially more serious disease. About 100 million patients worldwide suffer from sleep apnea syndrome. About 50 million people with sleep-disordered breathing in China. The main clinical manifestations of the disease include nighttime snoring with apnea and daytime sleepiness. Sleep apnea syndrome has a higher prevalence in patients with various cardiovascular and cerebrovascular diseases, such as up to 70%-80% in high blood pressure and stroke; in central nervous system diseases such as Alzheimer's disease, Parkinson's disease There are also more patients with this disease in patients with this disease.
Of course, in addition to busy work, drugs and alcohol can also make you sleep too much, leading to a feeling of languishing. However, no matter what causes too much sleep is not conducive to your long-term health, so balance your weekend and sleep time.
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