Every baby is affected by genes, family environment and personality, and needs different amount of sleep, so you cannot ask your baby to have a fixed sleep time. Usually two and a half months baby’s daily sleep time is generally 14-17 hours, the longest not more than 19 hours, the shortest not less than 11 hours. Usually, the baby sleep time standard is: 0-3 months is 14-17 hours, 4-12 months is 12-15 hours, 1-2 years old is 11-14 hours. If you wake up with a lot of energy and not easy to lose temper, it proves that your child has enough sleep time. 3 months baby will be able to appear day and night, parents should cultivate baby’s sleep habits, to ensure that the sleep time. After the birth of the baby, the daily sleep time will gradually become shorter with the age of the month, and at the same time, the center of gravity of sleep will slowly move to the night. If your baby’s sleep time is too short or too long, you should pay attention to observe whether your baby is not feeling well, such as cold and fever, bloating and diarrhea. Two months baby’s body resistance is still weak, parents should always pay attention to the baby to keep warm, to provide the baby with a comfortable, quiet growing environment, so that the baby grows strong.