Why should I wash my feet with hot water before going to bed?

Washing your feet with a basin of hot water every night and then going to bed can not only wash away the dirt on your feet and remove the odor, but also be of great benefit to human health.

The soles of people's feet are far away from the heart and have less blood supply. Washing feet with hot water can dilate blood vessels, speed up blood flow and increase the nutritional supply of skin and tissues of feet. Students use their brains more. Washing feet can make lower limbs hyperemia, reduce cerebral blood flow, promote cerebral cortex from excitement to inhibition, which is beneficial to sleep. Foot is one of the parts of human body that perspire, and it perspires more every day. Because of humidity, it is easy to cause fungal infection and tinea pedis. Washing your feet often will reduce the chance of getting athlete's foot. Washing feet with hot water can also treat some diseases, such as sore throat and toothache. Washing feet can relieve pain and help eliminate inflammation. Traditional Chinese medicine calls it igniting downward; Western medicine believes that improving peripheral circulation and enhancing immunity. Suffering from the common cold, I have a fever and don't sweat because the thermoregulation center is out of balance. Washing hot feet can make the whole body sweat, which is beneficial to the temperature drop.

According to the measurement, the foot washing water is around 32℃, which makes people feel very comfortable. Of course, according to everyone's habits, the water temperature can be slightly higher. Some people immerse their feet in the water, even though they have finished the task. So the dirt between toes and toes can't be removed. Once the skin of the foot is damaged, a large number of bacteria will take advantage of it and cause inflammation such as paronychia.

Lu You, a poet in the Song Dynasty, once said happily to people, "It's so fast to wash your feet and sleep!" Indeed, washing feet every night has many benefits and fun.

In the cold winter, people will use hot water bottles and electric blankets when heating at night, especially with the popularity of electricity, people use electric blankets more and more. But compared with electric blanket, traditional hot water bag is more beneficial to health. Using the electric blanket for a long time at night makes people's body easily dependent on it, which leads to the reduction of heat energy generated by the human body itself, and the temperature of the quilt cover will gradually increase, resulting in the phenomenon of internal heat and external cold, and it is easy to catch cold if you are not careful. Moreover, the heating effect of the electric blanket will make the capillaries of the skin expand all the time, and the water and salt in the body will be obviously lost, which is prone to dry mouth, sore throat, dry tongue, constipation and other symptoms, which is even worse for patients with chronic pharyngitis, cardiovascular and cerebrovascular diseases and chronic tracheitis. When heating with a hot water bottle, with the gradual decrease of its temperature, the human body needs to continuously generate more heat energy to maintain the temperature, while the temperature in the bed is basically unchanged, which also avoids the excessive loss of water and salt during sleep and effectively improves the human body's ability to resist the cold.

In fact, it is better to put a hot water bottle under your feet to keep warm. Studies have shown that people's feet are far from the heart and have less blood supply. In addition, the fat layer of the foot is very thin, and the local temperature is often low. Foot is the starting and ending point of Foot Sanyin Meridian and Foot Sanyang Meridian, which is closely related to the meridians of the whole body. Put a hot water bottle under your feet when you sleep, which can warm the meridians of your feet, promote blood circulation, and make heat energy reach all parts of your body. Therefore, the temperature in the hot water bottle should not be too high, generally 60℃ ~ 70℃ is appropriate. Be sure to check the tightness of the plug before use, and it is best to wrap it with a towel.

Feet are closely related to health. The human foot has 26 bones, 19 muscles, 32 joints, 50 ligaments, 500,000 blood vessels and more than 40,000 sweat glands, so it is called the "second heart".

Chinese medicine believes that human feet are the starting point of qi and blood, connecting the five internal organs, running through the upper and lower parts, and communicating the internal and external meridians. There are many important acupoints leading to the whole body crisscross on the feet, and countless nerve endings are connected with the brain. Before going to bed every night, often washing feet and massaging feet with hot water can promote metabolism and blood circulation and improve the adaptability to changes in the external environment. Children, in particular, sweat a lot because of jumping, and their feet are covered with sports rubber shoes all day, which are airtight, dirty and smelly. Therefore, they should form the good habit of washing their feet with hot water before going to bed every night. Washing feet cleanly can relieve fatigue and prevent beriberi.