The scent that exudes the brain relaxes and helps to sleep
Interviewed experts: Nutritionist, Department of Clinical Nutrition, Zhongda Hospital, Southeast University
Some fruits are not only nutritious and delicious, they are placed on the bedside, and the smell they emit can help people fall asleep. Xia Pengbin, a nutritionist at the Department of Clinical Nutrition of the Zhongda Hospital affiliated to Southeast University, explained to the reporter of Life Times that the use of taste to regulate physiological functions is “odor therapy”, which has a long history. It has been described in The Yellow Emperor and the Dream of Red Mansions. . Modern research has found that aromatic molecules can bind to human olfactory receptors and initiate a series of chemical reactions that act on the limbic system of the brain, the home of the emotions. Different odors also play different roles. The peel of citrus fruits such as oranges, tangerines, kumquats, oranges, lemons, and grapefruits contains a scent of “scented sputum”, which stimulates the brain to produce alpha brain waves, which relax the brain and help sleep.
Chinese medicine believes that oranges have the effect of regulating qi, removing dryness, dampness, relieving phlegm and relieving cough. The aroma can be wet, spleen and sputum. When you sleep, the smell of oranges has the effect of calming and calming, and is often used to calm depression and anxiety. If the lungs are not good, people who can’t sleep when they cough and chest tight at night can also eat a few oranges, which can both quench their thirst and go to the lungs to help them sleep.
The aroma of grapefruit reaches the nerve center through the sense of smell, which can eliminate brain fatigue, relieve boredom and achieve the purpose of helping sleep. Its aroma can also accelerate lymphocyte detoxification, which is effective in relieving the accumulation of fat caused by stress and staying up late for office workers.
Inhaling the taste of lemon at night makes people feel comfortable and quiet, and quickly goes to sleep. Studies have shown that the aroma of lemon can promote the body to produce serotonin, which makes people feel happy, while reducing the level of stress hormone norepinephrine, calm mood. Limonene in lemons has been shown to reduce anxiety in aromatherapy research and is commonly used in the extraction of aromatic essential oils.