verb (used with or without object), bifurcated, bifurcating. 1. to divide or fork into two branches. adjective. 2. divided into two branches.
Advertisement. By the Numbers. According to the National Sleep Foundation, newborns should sleep 12 to 18 hours out of every 24 (every new parent hopes), with a gradual reduction to 12 to 14 hours for toddlers ages 1 to 3; 11 to 13 hours for preschoolers 3 to 5; and (yes!) 10 to 11 hours for schoolchildren ages 5 to 10.
It depends on the age and the child itself but on average, newborns should sleep 12 to 18 hours a day, toddlers (ages 1 to 3) should sleep 12 to 14 hours, 11 to 13 hours for pâ¦reschoolers, and 10 to 11 hours for schoolchildren ages 5 to 10. Sources: New York Times.