Does the subject want to ask, "What time do you usually have dinner in Zhongshan?" 18. Dinner in Zhongshan is usually eaten at 18, and try not to sleep for four hours after dinner. Studies show that if you eat less at dinner, you can sleep soundly. Generally speaking, if you want to keep fit, you'd better finish your dinner between 6: 00 and 6: 30, and you can make it up from 2: 00 to 3: 00 in the afternoon. Don't eat anything after 7 o'clock, even fruit, so as not to gain weight.