Under normal circumstances, it is normal for a two-month-old baby to sleep about 16-18 hours a day, but this cannot be generalized. Two-month-old babies can sleep 4-6 times a day for about 2-3 hours each time, and usually spend most of the day in a sleepy state. If your baby has a normal appetite, is of normal height and weight and is in good spirits, an occasional change in sleep time is generally normal. If the bedtime changes frequently, consider that it is caused by hunger, environmental or disease factors. Since two-month-old babies have a small stomach capacity, they need to be fed in time to avoid hunger leading to less sleep. After feeding, it is recommended to let the baby continue to sleep in the right side position to facilitate the digestion and absorption of food in the stomach. In case of poor appetite, abnormal crying, poor mental state or prolonged sleep, it is recommended to visit the pediatrician promptly to identify the cause and treat it actively. In conclusion, two-month-old babies should pay attention to sufficient sleep, timely feeding and giving enough milk. Observe your baby’s physical condition, and if there is any abnormal discomfort, you should go to the pediatrician of the hospital in time to avoid delaying the condition.