What is the recommended total sleep per day for a 3- to 4-year-old?

• A. 10-11 hours
• B. 12-13 hours
• C. 14-15 hours
• D. 8-9 hours

Answer: (B)

The main idea here is how much sleep preschoolers need in a 24-hour period. For a 3- to 4-year-old, about 12 to 13 hours of total sleep each day is typical and appropriate, often including a daytime nap. This amount supports growth, brain development, mood, and behavior, and fits with the pattern many children at this age still needing some daytime rest alongside nighttime sleep. Too little sleep can lead to irritability, trouble paying attention, and behavior problems, while markedly more sleep than this is usually not necessary or typical for this age.

Context: during early childhood, sleep supports growth hormone release, learning, and consolidation of memories. A daytime nap is common at this stage and helps reach the total daily sleep target. As children approach kindergarten age, some transition away from naps, but 12–13 hours total remains a reasonable guideline for this age range.

Briefly, the other options don’t fit as well because 10–11 hours is generally short for a 3– to 4-year-old, 14–15 hours is longer than typical for this age, and 8–9 hours is consistently insufficient for optimal development and daytime functioning.