A main source for the ages
Normal sleep patterns in infants and children: A systematic review of observational studies
Barbara C. Galland, Barry J. Taylor, Dawn E. Elder, Peter Herbison · 2011 · Sleep Medicine Reviews
- Children
- Children from 34 studies
- Where
- Several countries
- Ages
- Birth to 12 years
- How
- A study that pulled together lots of studies
- What it found
- Waking in the night was common in healthy babies and toddlers: from none to about 3 wakings a night in the first months, and up to about 2½ a night at 1 to 2 years.
- Limits
- We have only read the summary.