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.
Kids that age generally need around 11 hours of sleep; that leaves 9.5 at night. Of course, there are others who need less than that; every child is different. The first thing I would suggest doing would be to put her on a regular wake-up time and keep to it 7 days a week.