and won't go down for naps – this is the 4-month sleep regression. At 4 months old, your baby is ready to take the first of many massive developmental leaps. However, changes in their awareness ...

This is a sample sleep schedule I’ve developed, every baby is different so you may want to tweak it slightly but this gives you a clear example of when and how long your 4-month-old baby should ...

The study aimed to analyse usual sleep position in 2-4-month-old infants, age known for highest incidence of SIDS, and to assess their ability to spontaneously modify sleep position with special ...