Newborns who do not sleep soundly, always grunting and holding their breath may be caused by physiological conditions, such as feeding factors, growth factors, environmental factors and so on. Excluding the physiological reasons, if the newborn still sleeps, grunting and breath-holding, it may also be the existence of pathological factors that cause discomfort in newborns. A, physiological factors: 1, feeding factors: newborn digestive system is not fully developed, feeding too much, before bedtime did not help newborns expel gas from the stomach, may lead to newborns bloating, causing colic, newborns twisting, straining, may help gas from the intestinal tract. You can reduce the amount of feedings and pat your newborn’s back after feeding to help expel gas from the stomach. Newborns who consume milk powder may not adapt to milk protein or hunger, which may also make the newborn gastrointestinal discomfort, leading to sleeplessness, you can change the type of milk powder consumed to relieve the symptoms of gastrointestinal discomfort in newborns, but also to avoid hunger in newborns; 2, growth factors: newborns grow faster, the growth of musculoskeletal may make newborns feel uncomfortable leading to sleeplessness The newborn’s respiratory system is not fully developed. The newborn’s respiratory system is not fully developed, may produce nasal cavity obstruction such as snot resulting in poor breathing, may also be affected by factors such as sleeping position between sleep, resulting in poor breathing, newborns appear grunting and breath-holding efforts. You can help the newborn to adjust the sleeping position or often clean up nasal secretions, to help the newborn to maintain a smooth respiratory tract; 3, environmental factors: newborns are easily frightened by the sound, light and other influences, the bed has hard objects, too cold and too hot, etc. may also lead to discomfort, should help the newborn to create a quiet and suitable rest environment to help the newborn stable sleep. Newborns have poor ability to control defecation, involuntary defecation may lead to newborns sleep unsteadily, grunting and making efforts, etc. Newborns should be checked for defecation abnormalities and dealt with in a timely manner to help newborns maintain a comfortable resting environment. Pathological factors: 1. Nutrient deficiency: If the newborn lacks vitamin D or calcium deficiency may cause neonatal rickets, which can be manifested as increased neuroexcitability and sleeplessness along with easy sweating. You can follow the doctor’s instructions to supplement the amount of vitamins and calcium and other elements, the amount of sunlight to help newborns calcium absorption; 2, allergies eczema: newborn skin is tender, allergies eczema and other may also lead to newborns sleep discomfort. Daily should keep the newborn’s skin dry and clean, allergies can follow medical advice for anti-allergy treatment. In addition, should also pay attention to whether the newborn fever, breathing faster and other symptoms, should be promptly sent to the hospital to receive disease examination and treatment.