1. Dry eyes and blurred vision

2. Chest tightness

3. Always can't sleep well

4. Weight is getting heavier and heavier

5. Frequently get minor illnesses

Always being too tired and overdrafting a person's body will lead to a decrease in immunity and some minor illnesses.

6. Trouble concentrating

If you are in a bad state and need to rest, you will be unable to concentrate, and your work and study efficiency will be greatly reduced.