10 months baby sleep always crying at night easy to wake up can be seen in physiological phenomena, pathological conditions (such as vitamin D deficiency, etc.), intervention needs to be based on the cause of the decision, such as vitamin D deficiency need to be supplemented with vitamin D. 1. Physiological phenomenon: the age of the baby’s milk teeth are gradually erupting, can appear in the night sleep is not solid, easy to wake up crying performance, some babies can be accompanied by increased salivation, is a normal physiological phenomenon, no special intervention, close observation of the teething situation can be. 2.Pathology (1) Nutritional vitamin D deficiency rickets: in the early stage of the disease, babies can appear easy to annoy, agitation, sweaty stimulation of the scalp sleep is not solid, easy to wake up and crying performance, some can be accompanied by cranial softening and other bone changes. Treatment needs to be supplemented with vitamin D, and a reasonable diet, sun exposure and so on. (2) Ear diseases: such as cerumen impaction, babies may have earache and other discomforts, and the above manifestations occur at night, treatment needs to be softened with sodium bicarbonate, etc., and cleaned up at the discretion of specialists. (3) Gastrointestinal dysfunction: babies may have abdominal distension, abdominal discomfort and some may vomit. Treatment should pay attention to diet, and take oral microecological preparation (Clostridium casei bacterial powder) to alleviate the symptoms. The above medications should be used under the supervision of a physician. 10-month-old babies always cry and wake up easily at night, it is recommended to consult a specialist for evaluation if necessary.