1. Students can prepare coffee or mints. Both mints and coffee have a refreshing effect. Eating sugar can make the oral cavity forget fatigue during exercise. Caffeine in coffee can speed up metabolism and keep people excited.

2. Students can point essential balm at their temples. You won't be unfamiliar with things like wind oil essence and cool oil. A little on your temples will make you feel refreshed immediately, which is especially useful. Apply it before class, but be careful not to get it in your eyes.

3. Wash your face before class. In class, students' attention is also highly concentrated, and their brains are prone to fatigue. When they have classes in the afternoon, they are easily sleepy, especially in summer. Wash your face during recess, be sure to wash your face with cold water, which will make your brain awake and eliminate a lot of drowsiness.

4. Students can wake themselves up through stimulation. Everyone must have heard the story of hanging beam and stabbing stocks. When you are sleepy in class, you can also try this self-abuse method, pinch yourself, and then you will wake up. Of course, be careful not to hurt yourself.

Students who are sleepy can ask their deskmates to help supervise. Once they are sleepy, let them push themselves. Of course, don't affect your deskmate's study.

6. Students can stretch properly. Tap your feet on the floor, swing your legs up and down, tap your fingers on the table, turn your thumb, or put the pen in your fingers to rotate. But be sure to keep quiet so as not to distract other students. When you find that you are no longer sleepy, turn your attention back to class immediately.

Causes of students' sleepiness in class

1, students have a bad rest. For a senior high school student, the study task may be very heavy, especially for a senior three student. But poor rest and lack of sleep will affect your learning efficiency. And long-term lack of sleep will have an impact on the body.

2. Not interested in what the teacher said. Students need to know their current state, they are really studying, but they can't learn, they can't learn well, or they have no motivation because they are not interested, so they are sleepy when they listen. If you can't learn, try to learn and get yourself back on your feet. If they are not interested, students should strive to cultivate their interest in learning.

3. objective factors. Sound, such as the low-frequency sound made by the rotation of a fan or the whispering sound of water in a heating pipe, has hypnotic effect. If the frequency of fluorescent lamp is too low, it will make people feel flicker and fatigue. The teacher's tone, slow and soft tone also has hypnotic effect. There is no ventilation in the classroom. If there is no fresh air indoors, the brain will habitually go to sleep.