What good hygiene habits do you need to develop at the age of 20?

The habit of using eye hygiene? Seeing green and setting a screensaver can't reduce the eye damage caused by high-load eyes. ? The best way is to relax your eyes in time when using them. The "20-20-20 rule" is still very useful: use your eyes for 20 minutes, look away, look 20 feet (6 meters) away, and rest for 20 seconds. ? At the same time, don't use eye drops at will, especially eye drops that claim to get rid of bloodshot eyes and cool and improve eyesight. Only artificial tears are the only over-the-counter eye drops that people can safely buy in pharmacies. ? Of course, it is better to rest your eyes than any eye drops. Of course, regardless of age, healthy habits will benefit early. Even if you are a "middle-aged man in 1992", you should develop good habits. ? The human body is a complete system, which consists of many branches, from ear, nose, throat and eyes to anorectum, stomach and liver. They are both independent and interrelated. To some extent, the establishment of hospital departments is divided according to the composition of the body, and good hygiene habits begin from these branches. ? Gastrointestinal problems plague many people, but in fact, the stomach does not need to be raised, just do it. Maintaining the stomach is not to cultivate the stomach into a healthy body and then die, but to maintain a normal state and not to develop in a bad direction. The habit of regular work and rest, do not doubt the harm of staying up late and irregular work and rest to people's health. ? Irregular sleep can make people fat/ugly/stupid/poor memory/forgetfulness/illness/and may get cancer more easily than others. ? At the same time, don't think that you can make up after staying up late. ? Staying up late for a long time and sleeping more in the early hours of the morning can't reduce the harm to the body. Under the dual influence of artificial light and natural light, people are prone to circadian rhythm disorder. ?