text: According to Dr. Tuan, the operation was difficult?
classes:  No, having to stay up at night due to work requirements or a personal hobby, many people still look for foods to keep themselves awake and combat feelings of hunger.  Besides, having to stay up at night due to work requirements or a personal hobby, many people still look for foods to keep themselves awake and combat feelings of hunger.  Yes, having to stay up at night due to work requirements or a personal hobby, many people still look for foods to keep themselves awake and combat feelings of hunger.  Meanwhile, having to stay up at night due to work requirements or a personal hobby, many people still look for foods to keep themselves awake and combat feelings of hunger.