1. Sleep time: The baby's sleep time every day should be between 16-20 hours, including nap during the day and continuous sleep at night. If the baby's sleep time is significantly reduced or increased, it may be necessary to further observe and consult a doctor.
2. Sleep quality: A baby's sleep should be deep, quiet and continuous. If the baby often wakes up, cries or has difficulty falling asleep, there may be sleep problems, such as insomnia, breathing problems or other health problems.
3. Sleeping posture: Babies should stay in supine position when sleeping, which is helpful to prevent sudden infant death syndrome (SIDS). Avoid letting your baby sleep on his side or prone to avoid the risk of suffocation.
4. Sleeping environment: ensure the baby's sleeping environment is safe, comfortable and suitable. Keep the indoor temperature suitable and avoid over-packaging or over-dressing. Use safe bedding such as cribs and mattresses.
5. Diet and feeding: Babies' diet and feeding methods may also affect their sleep quality. Make sure your baby is not full or hungry before going to bed, and follow an appropriate feeding schedule.
If you have any concerns or questions about your baby's sleeping state, I suggest you consult a pediatrician or child care expert. They can evaluate according to the specific situation and provide personalized advice and guidance.