Staying up late will be detrimental to human health， because the adrenal cortex hormone and growth hormone are all secreted during the night when people are The former is secreted before dawn， which can promote the metabolism of carbohydrate in human body， and protect the development of muscle; while the latter is produced only after sleep， which can not only promote the growth and development of young people， but also can delay the aging process of the As a result， staying up late will cause a variety of harms to human First， frequent fatigue and decreased immunityThe most serious sequence caused by staying up late is fatigue and lack of What's more， the immunity of human body will decrease And some other symptoms such as cold， gastrointestinal infections， allergies will also Second， headacheThe next day after staying up late， you will suffer from headache when you are at work or at You will be unable to What's more， long-term staying up late and insomnia will also bring invisible damage to our Third， dark circles and puffinessNight is the time for human body to have a good Without adequate rest， you will feel extremely tired， which will lead to poor blood circulation around the eyes， causing dark circles or blood streak in the white of the
