Full-month baby sleep not solid old wake up, may be physiological or pathological factors, physiological factors such as daytime baby sleep time is too long; pathological factors such as intestinal flatulence, intestinal colic, etc., may lead to the baby sleep not solid, easy to wake up. 1. physiological factors: daytime baby sleep time is too long, coupled with the full-term baby sleep time is short, it is easy to appear at night shallow sleep, easy to wake up; in addition, too much or too little food before bedtime, will also cause the baby waking up at night. 2. Pathological factors: due to the imperfect development of the digestive system of full-term babies, easy to intestinal flatulence or intestinal colic, so that babies feel uncomfortable during sleep, shallow sleep at night, easy to wake up and even crying. Full-month baby sleep not solid old wake up, 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.