My baby is four days and three months away from being born and sleeps at night..

Patient's question:

Poor sleep for 2 months and 20 days, the cause or etiology is unclear

Doctor's answer:

Actually, if a baby has difficulty falling asleep, they need parental assistance to transition from a light sleep state of about 20 minutes into a deep sleep phase. You may have experienced this: the baby seems to be asleep, but as soon as you put them down, they wake up crying. This is because they haven't yet entered deep sleep and still require more feeding, soothing, patting, rocking, and other forms of comfort. Additionally, an infant's sleep cycle is shorter than that of an adult, and their deep sleep level is also lighter. This is actually a survival instinct that allows them to wake up immediately if an accident occurs or if they feel uncomfortable, signaling to their parents. Mild sleep is also beneficial for infant brain development. It is recommended that you create a suitable sleep environment and gradually guide the baby into sleep. Most importantly, it's not just about getting the baby to sleep, but also about making them view sleep as a pleasant experience, falling asleep happily and sleeping peacefully.
Medical Advice: Newborns sleep for approximately 8 hours during the day and 8 hours at night; one-year-old children sleep about 3 hours during the day and 11 hours at night; by the age of four, children gradually reduce their daytime sleep, only sleeping 11 hours at night. Infants typically need to wait until at least five months old to potentially sleep through the night, so mothers don't need to get up at night to feed them. Adjusting a baby's biological clock to follow a day-night rhythm depends on their physiological maturity. Children's natural temperament tends to be overly sensitive, irregular, highly reactive, or low-reactive. They may take a long time to establish a regular physiological clock and may struggle to adapt to changes in their environment. Once factors causing poor sleep are eliminated, mild crying or restlessness may still occur every 2–3 hours. In such cases, gently patting or stroking the child can help them fall back asleep. Avoid immediately picking them up, comforting them, or feeding them, as this can develop poor habits of waking up at night. Some children with certain neurological types may have poor nighttime sleep, but as long as they are eating and growing normally, there is no need to worry. Additionally, arrange a quiet and comfortable sleep space with a suitable room temperature, fresh air, appropriately thick bedding, and dim lighting. Cultivate good sleep habits, avoid excessive excitement or vigorous exercise before bed, and avoid scolding the child. Turn off the lights by 9 p.m. each night, and have everyone go to sleep or move to another room to create a quiet environment for the child to rest. It's best for infants to sleep on their side, especially after eating, to sleep on their right side. Sleeping on their stomach can compress their mouth and nose, affecting breathing, while sleeping on their back can lead to choking due to spitting up. Gradually make this a habit and avoid breaking it easily.
Daily Care: Avoid playing with the baby at night. Once they are fed, let them fall asleep on their own, even if they cry—after a few days, they will naturally develop a routine.