Sleep regression usually occurs when infants and toddlers are 3 or 4 months old, and can last for about 1 to 4 weeks. The timing and duration of sleep regression varies among infants and toddlers.
Sleep regression is a physiological process that occurs during the growth and development of infants and toddlers, and usually occurs when infants and toddlers are 3 or 4 months old. At this time, infants and toddlers are prone to awakening from sleep, changes in sleep time, crying during sleep, and poor quality of sleep at night, which can last for about 1 to 4 weeks.
However, the timing and duration of the sleep regression period varies among infants and toddlers. In addition, external environmental factors for poor sleep quality in infants and young children, such as an environment that is too cold or too hot, should be ruled out.
When infants and children are in sleep regression, parents should be patient, pay attention to their children’s nutritional supplements, and take them outdoors to get some sunshine when the weather is good. Parents should pay attention to their children’s nutritional supplements and take them outdoors to get some sunshine when the weather is good. If infants and young children suffer from emaciation and growth retardation, parents should pay attention to them and go to the hospital for examination.