Stress is one major cause of teeth grinding, so you should aim to relieve your stress. You can relieve the stress in your life by attending stress counseling, exercising, or meditating. You may also consider looking into natural remedies to reduce stress. There is also a large variety of tea plants, like chamomile and lavender, which can calm you down before bed time. Here are some other ways to reduce your stress:  Eliminate any major sources of stress in your life. If you're stressed out because of an unbearable roommate or a terrible relationship, it's time to get these negative sources out of your life and move on. Go to bed and wake up at the same time every day. This will give you more energy to deal with your daily life. Have fun with friends. Make time to laugh, be silly, and just do nothing with your friends. This will help you unwind. Eat well. Eating three well-balanced and healthy meals each day will make you feel more balanced and less irritable.  Make sure that your meals contain some raw fruits or vegetables to exercise your during the day. This may help to reduce teeth grinding at night. Stop drinking soda, coffee, and energy drinks and try not to eat too much chocolate. Caffeine is a stimulant which will make it more difficult for you to relax your mind and the muscles of your jaw, especially at night making you agitated throughout the day. Alcohol is a depressant which will make it more difficult for you to sleep healthily. Teeth grinding tends to get worse after alcohol consumption. Though alcohol may make it easier for you to fall asleep, it will make you sleep a less restful, more shallow sleep, which will increase your teeth grinding. Stop yourself from stress-related habits that have to do with your mouth. Chewing non-food items is a sign of an increased stress level. For example, if you tend to chew on pencils or pens when you are stressed out, you should eliminate that habit.If this is particularly challenging, you can chew gum or suck on a mint whenever you have the urge to chew on...

TL;DR in Chinese:
减压。 把咖啡从食谱中除掉。 戒酒。 停止无食咀嚼。 训练自己不要在白天咬紧你的下巴。 通过食谱补钙和镁。 睡前放松。