How long is deep sleep?
In fact, the longer the better, usually 1 to 2 hours. People's deep sleep every day is the best state to relax. Many times need a good sleep environment, sleep quality and physical health are closely related. Still important of.
1, deep sleep is of course as much as possible. However, this time is not completely controlled by us. Some of our controllable factors also affect the time of deep sleep, such as sleep habits, sleep rhythm. Bad sleep habits , or often disrupt the sleep cycle, such as night shifts, frequent travel across time zones, sleep time, etc., will affect the time of deep sleep.
2, usually younger, the longer the deep sleep time; the older the older, the deeper the sleep time. This is one of the main reasons why the quality of sleep in the elderly is getting worse and the learning and memory ability is gradually decreasing.
3, the normal sleep time of people is 8~10 hours, and deep sleep only accounts for 25% of sleep time. It can be calculated that the normal deep sleep time should be 2~2.5 hours deep sleep calculation theory.
4, the frequency of brain wave changes during the deep sleep and deep sleep period is relatively large, this time into the deep sleep we often say, anything that happens outside the world will not know, it is difficult to wake up, but also the recovery of the human body after a day of activity Period, so this stage is very important. The entire non-rapid eye sleep period has experienced 60~90 minutes.
5, the whole sleep cycle is 90~100 minutes, and a cycle of about 5 times a night is the most regular sleep, so a deep sleep of about 250 minutes is the most satisfactory sleep state.
Is it normal to sleep 1 hour a day?
Normal, modern people's life pace is accelerating, or need a good rest time to relax the body, but still need a good quality of sleep. Many diseases are related to sleep.
1, the average adult from bed to bed, about 1 hour, into the deep sleep period, and can last for several minutes to an hour or so.
2, after waking up, you can drink a glass of water to replenish the blood volume, dilute the blood viscosity, and then you can do some light activities for walking. The ideal way to take a nap is to lie on the side of the place where you can stay away from the light. If the conditions can not go home For a nap, you can lie down on the table as much as possible, instead of taking a nap at the table.
3, nap can not just under the corridor, under the shade, on the grass, on the concrete floor, lie down and sleep, do not take a nap at the wind or the wind. Because people sleep during the body temperature regulation, the central function is reduced, the heavy cold catches cold , lighter wake up after physical discomfort. Avoid sitting or snoring.
4, sleep plays a decisive role in a person's thinking and learning ability. Lack of sleep affects people's cognitive process in many ways. First, lack of sleep can damage people's attention, alertness, concentration, reasoning ability and solution. The ability to problem, these can make your learning less efficient.
5, usually 2 hours, normal. Only you go into deep sleep, 2-3 hours. Can meet your day's needs.
How to improve sleep quality?
1. When people are sleeping and resting, the digestive system of the human body will also enter a state of rest. Eating before going to bed, drinking refreshing drinks, tea, coffee will affect sleep, making it difficult for you to fall asleep. If you want to keep a good sleep, you must stop sleeping. Advance food.
2, When you are resting in bed, sometimes you can't sleep, you can't sleep, how to lie down. Choosing a comfortable sleeping position is very important for sleep. For example, sleeping sideways, padding a pillow in the middle of the legs, sleeping in double The pillow under the body is very comfortable, it is best not to sleep, this will cause back pain, cervical pain.
3, combing hair before going to bed: There are many acupuncture points on the head. The hair is combed before going to bed, mainly for massage, stimulating the acupuncture points on the head, dredging the blood circulation of the head, eliminating brain fatigue, and letting the brain quickly enter the dreamland.
4, hot feet before going to bed: Before going to bed with a bowl of warm water to iron feet, can relieve foot fatigue, promote blood circulation of the soles of the feet, so that people sleep peacefully.
5, suitable sleeping environment: Before going to sleep to create a good sleeping environment, first do not turn on the light to sleep, indoor temperature control between 15-20 degrees, no noise, indoor ventilation before going to bed to ensure a night of air quality, etc. Sleeping environment is a key factor in ensuring sleep quality.
6, when insomnia or irritability, try not to rely on drugs to maintain sleep, it is best to use exercise to enter the fatigue state, accompanied by some soft music, so that not only good health and better results.
