1. Coffee, if drunk frequently, will lead to nervous disorder. Drink two glasses a day at most. I was still drinking coffee in the morning, so I couldn't sleep at noon. Drinking coffee at noon keeps you awake at night. I am very energetic in the morning. Everything is out of order. ...

2. Coffee will make you osteoporosis and aggravate the loss of calcium in your bones. You're still growing. If you drink coffee, you should drink more milk. Drinking a glass of milk before going to bed at night will improve the quality of sleep and ensure the sleep needed for intense study.

If you are sleepy at night, applying essential balm to the center of your eyebrows and temples will make you feel refreshed. If your eyes are tired, just drop some eye drops and have a rest, which will be much better.

4. Study at night, rest every hour, change your mind, get up and stretch or listen to two or three songs before studying.

Learning itself is boring. Work hard, but don't make yourself too tired. It will be much easier to find a fun and good way.