We are in the middle of cold and flu season and often, when we feel sick, it seems to be worse at night. If you are wondering why, the NY Times may have some answers for you in this article. At night is when we heal and also fight things off. Perhaps, this is why often when you feel like you are coming down with something, you may wake up and feel perfectly fine the next day. Your immune system often works its magic at night while you are trying to sleep. Check out the NY Times article on why cold symptoms are worse at night below Why Cold Symptoms Are Worse at Night We asked experts why we cough and sniffle more when we head to bed, and what to do for better sleep. By Knvul Sheikh Nov. 20, 2023 And whether your main complaint is a cough, a fever, a headache or a runny or stuffy nose, you may notice that you tend to feel worse at night. That’s not your imagination. Several factors are to blame, starting with your circadian rhythm, which is your body’s internal clock. When the sun sets, it tells your brain to wind down for bed and, at the same time, spurs certain immune cells to become more active. Every night, those cells are recruited to different parts of your body, on the lookout for invading pathogens like viruses and bacteria. Read more