Monthly baby sleep is not solid easy to wake up, may be the lack of calcium, the baby’s sense of security is low, the surroundings of the environment is noisy, etc., can be supplemented by calcium, to give the baby enough soothing, keep the environment quiet and other methods to solve the problem. 1. Lack of calcium: when the baby lacks calcium, it will make the nerve sensitivity higher, easy to wake up when stimulated, at this time, you can follow the doctor’s advice to let the mother take calcium tablets, increase the level of calcium in breast milk, to alleviate the baby’s symptoms. 2. The baby’s sense of security is low: when the baby’s sense of security is low, the nerves will be more sensitive, resulting in easy to wake up, at this time the baby should be given before bedtime to give adequate comfort, so that the baby to relax, to promote its down to earth sleep. 3. The surrounding environment is noisy: the baby’s nervous system development is not perfect, if the surrounding environment is noisy, it will have an impact on the baby, this time you need to close the doors and windows, to ensure a quiet environment, so that the baby’s discomfort is reduced. If the baby is easy to wake up for a long time, it is recommended to go to the hospital in a timely manner, under the guidance of the doctor to take reasonable methods of intervention to promote the baby’s condition.