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Therefore, when taking a nap, we should pay attention to the following five aspects:
1, don't eat too greasy things before going to bed, and don't overeat. Because greasy will increase the viscosity of blood and aggravate coronary heart disease; Oversatiety will increase the digestive burden of the stomach. Many people are used to sleeping after lunch. At this time, the stomach has just been filled with food, a lot of blood flows to the stomach, blood pressure drops, oxygen supply and nutrition to the brain drop significantly, and falling asleep immediately will cause insufficient blood supply to the brain.
2, the nap time is best controlled within half an hour, otherwise it will be very uncomfortable to wake up. Taking a long nap will also disrupt the biological clock and affect the law of sleeping at night.
Although taking a nap is just taking a nap, you must not be too casual. Don't sit on the table, and don't sleep on the table, which will reduce the blood supply to the head and cause dizziness, dizziness and fatigue after waking up.
If you use your hand as a pillow, it will oppress your eyes and easily induce eye diseases over time. Lying on the table will oppress the chest, affect blood circulation and nerve conduction, and make the arms and hands numb. The ideal nap posture should be lying down comfortably, supine or lying on your side, preferably lying on the right side with your head high and your feet low.
4, the weather is hot again, and you should cover your abdomen with a towel or quilt during a nap to prevent the cold from taking advantage of it.
5, don't take a nap in the ventilation or tuyere. Because people's body temperature regulation center function declines during sleep, people who wake up are unwell, and those who are serious will catch cold and get sick.
Extended data
The benefits of a nap
1, eliminate drowsiness
Many people have the trouble of feeling tired after lunch. British scholars have studied this phenomenon and found that taking a nap 10 minutes every afternoon can eliminate drowsiness, which is much better than sleeping for two hours at night. According to the recently published German "Sunday Pictorial", more and more office workers in Germany have the habit of resting in the office at noon.
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2. Prevention of coronary heart disease
Taking a nap can not only improve work efficiency, but also prevent coronary heart disease. According to medical research, taking a nap for 30 minutes every day can make the hormone secretion in the body more balanced and reduce the incidence of coronary heart disease by 30%. Researchers believe that the low incidence of coronary heart disease in Mediterranean countries is inseparable from the habit of taking a nap. One of the reasons for the high incidence of coronary heart disease in northern Europe and North America is insufficient nap. The mortality rate of adults who sleep less than 4 hours is higher than that of adults who sleep 7-8 hours every night 180%. This reminds people that lack of sleep at night, if properly supplemented during a nap, will also help to prolong life.
Whether you take a nap or not has a lot to do with your physique, sleep state, age and illness. Anyone who usually lacks sleep and is weak and sick should take a nap; For people engaged in mental work and primary and secondary school students, siesta is more worth promoting. Old people with poor sleep quality can also take a nap to give their brains a real rest.
Step 3 adjust your mood
Immunologists say that after lunch, in order to help digestion, the body will automatically be dominated by parasympathetic nerves. A short sleep at this time can stimulate lymphocytes in the body more effectively and enhance the activity of immune cells. Spanish medical research shows that taking a nap for 30 minutes every day can balance hormone secretion in the body and reduce the incidence of cardiovascular diseases by 30%. Psychologists from Harvard University wrote a report published in the latest issue of Nature Neuroscience. The content shows that taking a nap in the afternoon can improve mood, reduce people's tension and relieve stress-the effect is like sleeping all night (8 hours).
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