Ngủ đủ giấc. Tập trung vào giấc mơ. Kiểm tra thực tế trong khi bạn mơ và trong suốt cả ngày. Tìm dấu hiệu của giấc mơ. Chơi điện tử. Ăn những thức ăn giàu melatonin. Tự hỏi bản thân khi bạn mơ suốt cả ngày.

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
Dreams occur during REM (Rapid Eye Movement) sleep, a phase of the sleep cycle. If you are not sleeping enough, or frequently wake up throughout the night, your REM cycles may be getting interrupted. You need to make sure to get between 7-9 hours of sleep on a regular basis and to go to bed around the same time every night so your mind and body know what to expect. Many people believe that learning how to notice and remember your dreams is the first step to achieving lucid dreams.  Before you go