What causes babies and toddlers to have trouble sleeping at night and keep waking up?

Physiological factors and pathologic factors are considered to be the causes of infants and young children’s restless sleep and waking up all the time at night. Physiological factors include hunger, urinary and fecal stimulation, etc. Pathological factors include vitamin D deficiency, indigestion, gastroenteritis, acute infectious diseases, etc.
1. Physiological factors: infants and young children may not sleep soundly if they are hungry, irritated by urine and feces, the surrounding temperature is too high during sleep, the sleeping environment is noisy, or they are frightened.
2. Pathologic factors:
(1) Vitamin D deficiency: babies may appear agitation, sleep is not solid, love sweating, etc., need to supplement vitamin D, more sunshine to promote calcium absorption.
(2) indigestion: babies may have bloating, colic and other conditions causing poor sleep.
(3) Gastroenteritis: Inflammatory stimuli will cause abdominal pain and bloating, affecting the child’s sleep.
(4) Acute infectious diseases: such as acute laryngitis, the baby will have hoarseness, laryngeal ringing, breathing difficulties, affecting the child’s sleep.
Infants and young children do not sleep well at night, always 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, and then under the guidance of the doctor to give targeted treatment or treatment.