Is it dangerous to keep working nights?

Night shift is harmful to the body all the time. For people's rest and sleep time, from the perspective of health preservation beneficial to the body, they should start at sunrise and sleep at sunset, that is, keep consistent with the laws of nature as much as possible. When the sun comes out, it is the time when nature's yang qi rises, and it is also the time when the yang qi of the human body is born. At this time, they should get up to work or move. When the sun goes down, the yang qi of the human body should be slowly recovered with the sun, and yin begins to come out. At this time, it should be sleep, not work or activity when yin rises and yang falls. This is contrary to the laws of nature, the generation of yang qi in nature and the rise and fall of yin qi. In the long run, it is definitely harmful to the body.