Maximum wakeful period at various ages:
Less than 2 month = 1hr, 3 months = 1.5hrs; 4/5 months = 2hrs; 6 months
= 2.5hrs, 8/9 months = 3hrs; 10+ months = 3-4 hrs.
Once the child is on 1 nap (transition usually occurs anywhere between 13-18
months), the wakeful period extends to 5/6 hrs.
The average daily sleep requirements for the average child in order to
be well-rested enough to consistently sleep well are:
Less than 3 months = 15.5-18hrs, 4 months = 15hrs, 6 months = 14.5hrs, 9
months = 14hrs, 15 months = 13.5hrs, 2 years = 13hrs.