The baby’s difficulty in falling asleep and tossing and turning can be seen in physiological phenomena, pathological conditions (such as gastrointestinal dysfunction, etc.), the specific need to analyze and judge according to the baby’s condition. 1. Physiological phenomenon: if the baby sleeps for a long time before, the above phenomenon can occur, or for the baby in the stage of eruption of milk teeth, there can also be “difficult to sleep and tossing and turning” performance, often accompanied by easy to cry, salivation (drooling) to increase the performance of such babies usually have no symptoms of discomfort, the mental response is good, is a normal physiological phenomenon. Phenomenon. 2. Pathology: (1) gastrointestinal dysfunction: such as the baby eat more, the digestive tract can not tolerate, abdominal distension, abdominal pain and other discomforts, can affect sleep, appear “difficult to sleep and toss and turn” phenomenon. (2) Vitamin D deficiency: such as vitamin D deficiency rickets, for younger babies, in the early stage of the disease, can be due to sweaty scalp stimulation affecting sleep, the above phenomenon, which can be accompanied by night terrors, crying. (3) Dermatological diseases: such as severe eczema, diaper dermatitis, etc., the baby can be due to more serious skin lesions appear obvious discomfort, which in turn affects sleep. (4) Other: febrile illnesses, such as toddler emergency rash, fever occurs during the course of the disease, which can produce muscle weakness, generalized discomfort, etc., resulting in a sense of discomfort, affecting sleep and the above phenomenon. Babies have difficulty falling asleep and tossing and turning, there may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.