The baby’s sleeplessness, whining and writhing may be caused by sleep environment discomfort, indigestion, lack of vitamin D or calcium, etc., and can be relieved through general treatment, medication and other ways. 1. Sleep environment discomfort: when the baby’s sleep environment is too hot and stuffy, the air is not circulating, or the sound is noisy, the light is too bright, it may cause sleepy humming and writhing, should pay attention to adjust the temperature and humidity of the baby’s sleep environment, try to ensure that the indoor air circulation, and close the curtains when sleeping. 2. Indigestion: Parents can appropriate hot compresses on the baby’s abdomen, put the child in a prone position, you can also follow the trend and then hand clockwise to give him a slight massage to promote intestinal peristalsis to make him exhaust. You can also take probiotics (such as Bacillus subtilis bacillus granules) under the guidance of a doctor to alleviate the condition. 3. lack of vitamin D or calcium: baby sleep not solid humming and twisting may also be caused by a lack of vitamin D or calcium, the baby in the life of the appropriate sun exposure, can eat complementary foods for babies can be appropriate to eat more calcium-containing foods, such as dairy products, soy products, and so on, but also follow the doctor’s instructions to take vitamin D, calcium gluconate oral solution, calcium lactate and so on to replenish. In addition, if it is a small baby within 3 months, may be due to the infant’s nervous system development is not yet perfect, caused by the normal physiological phenomenon, generally do not need special treatment, pay attention to observation can be.