“brain waves?” [If you analyze Kim Do-yoon’s sleep pattern, it can be expected that the method of learning in the early morning rather than in the evening will be effective.] “is it? In fact, even when I was in medical school, I tend to study better in the morning. I still can’t get up in the morning, what should I do?” Hyunjun answered with a frown on his forehead. Dealing with patients at the dermatology department was harder than expected. After the treatment was over, he had no choice but to reduce the number of words he spoke unwittingly because of accumulated fatigue. [I will wake you up.] “Ronnie, are you?” [You just need to induce the brain waves so that you can get a delta wave that you can sleep deeply while you sleep.] “A delta wave? Is that even possible?” Inducing br

