Can I sleep directly with my hair wet? Why does washing hair cause a lot of hair to fall off? Recently, with the arrival of autumn, topics related to hair loss and hair care have once again sparked discussion on social media. How should we take good care of our hair during the season change? Let's take a look at what Zhu Feng, Deputy Chief Physician of the Dermatology Department at Jiangsu Integrated Traditional Chinese and Western Medicine Hospital, said. People with weak physical constitution and unhealthy scalp are not recommended to sleep with their hair wet, "said Zhu Feng. After washing their hair, the pores of the skin are open, making it easy to feel cold and damp when their hair is wet. However, people with weaker physical constitution are more likely to catch a cold and may experience symptoms of headaches. In addition, people with seborrheic dermatitis, itching of the scalp, and excessive dandruff can experience increased skin hydration and sensitivity in humid environments such as wet hair, thereby exacerbating the underlying diseases of the scalp. Therefore, for these two groups of people, it is recommended to blow dry their hair before going to bed. So, how much should my hair be blown dry? Zhu Feng suggested that it is advisable to blow dry until 9 minutes, especially in the hair roots, back pillows, and other areas where we are most likely to fall asleep. Try to blow dry as much as possible. As the seasons change, hair loss also follows. After autumn, the weather turns cooler, the temperature drops, and the circulation of blood and lymph in the scalp decreases. The supply of nutrients to the scalp hair follicles also decreases, and unhealthy hair follicles are prone to hair loss. In clinical practice, we have found that the increase in hair loss during the changing seasons is also related to long-term unclean eating, overeating, and eating raw and cold foods in summer. "Zhu Feng emphasized that in addition to the high work pressure and irregular sleep of modern people, hair loss can also be exacerbated. In general, it is normal for an average person to lose about 100 hairs per day. As long as the overall hair volume does not decrease, it indicates that new hair is being replaced and there is no need to worry too much. But if it is found that the overall hair loss is decreasing after hair loss, it is necessary to seek timely medical attention and identify the cause for targeted treatment. In daily life, experts also suggest not to forcefully rub hair when washing. Apply the foaming shampoo to the scalp and gently massage to clean it; In terms of diet, pay attention to being light and nutritious. If you consume too much meat in your daily diet, you can supplement some multivitamins appropriately. (New News Agency)