How can I keep myself mentally and not sleepy?

First of all, you need to get enough sleep, and teenagers should sleep for about 8 hours a day. You can sleep for 7 hours, and then sleep for another 1 hour at noon, so that you will be energetic enough to cope with a day's work or study, and you should maintain a positive and optimistic attitude towards life every day, so that you will strive for your ideals, so that you will not be sleepy. Every day as soon as I wake up, I say to myself:

A good day is coming again" so that you will have a positive attitude towards life. Then you will study hard. If you can, you can take some supplements, which are good for the body.

Don't make up more. Believe that you will succeed.

In the process of learning, we must: listen more (listen to lectures), remember more (remember important sample essays, remember important question structures, remember concepts, remember formulas), read more (read books), do more (do homework), ask more questions (ask if you don't understand), do more hands (do experiments), review more, and summarize more. Use the method of taking class notes to focus on the lesson.

Read more important texts in English, and be familiar with vocabulary and usage.

In other times, we must ensure the study time, ensure the learning quality of each subject, and not deviate from the subject.

Get enough sleep (8 hours) every day to ensure your learning efficiency.

Arrange appropriate free time for socializing with family and friends and other activities.

Through unremitting efforts, the results are improved and stabilized step by step. Do your best for the exam, be careful during the exam, and be calm when you sprint at the end. After the exam, you should summarize carefully so that you can study better in the future.

Right now: let go of the baggage, usually: study hard. Before the exam: prepare carefully, during the exam: don't give up, after the exam: normal heart. Remember!

In general, if you feel sleepy at work in the morning, it is considered that it may be caused by the patient's lack of rest. It is recommended that patients usually take more rest, develop a good living habit, go to bed early and get up early, and drink a glass of warm milk before going to bed, which will help them enter deep sleep, and maintain a sleep time of more than eight hours a day. If you are still sleepy at work, it is recommended that the patient go out for a walk after waking up in the morning, or listen to **, which can help improve the spirit.

Insist on going to bed early and getting up early to see, if the work and rest time is not in this situation, you only need to adjust your work and rest time, if it is not a problem of work and rest time, and this kind of daytime sleepiness and poor spirit for a long time means that the quality of sleep at night is not good, it is best to go to the hospital to do a sleep monitoring to see, and solve the problem symptomatically. This was the case with a friend of mine who later determined that sleep apnea was caused by a lack of oxygen at night.

1.It is enough for adults to maintain 7-8 hours of sleep a day, so if your rest time is no problem, then it is the quality of sleep, if you often dream or sleep very lightly, then it will also cause dizziness and fatigue due to poor sleep.

2.Dizziness and fatigue are also accompanied by low blood pressure, and it is recommended to check blood pressure to see if it is caused by low blood pressure and insufficient oxygen supply to the brain.

3.Coffee or strong tea can be used to refresh and be used when needed.

4.Proper exercise, running in the morning or around 6 p.m., jogging for a long time is appropriate, can effectively improve cardiopulmonary function.

5.Meditation, meditation can nourish the mind, the specific method can learn from yoga, Buddhism's zazen, etc., generally about 10 minutes, can effectively relieve brain fatigue.

6.Supplement sugar, this sugar is not the sugar sold on the market, it refers to the energy substance sugar that the human body needs for metabolism, and generally refers to glucose.

7.Lunch break, you must take a lunch break in the summer, you can sleep for 10-30 minutes, and set your own alarm clock.

8.Pay attention to environmental hygiene and practice good personal hygiene.

It will be better to catch up on sleep in the middle of the day, which can be a relief for the brain.

Don't rely on any refreshing drinks to refresh yourself, as long as the blood in your body is smooth enough, you won't be so easy to get sleepy, and drinking refreshing drinks will have a certain ***. It is advisable to have the perseverance to overcome it.