Sleep & Activity Needs by Age

0–3 months — 14–17 hours total (including frequent naps; no fixed pattern)

4–12 months — 12–16 hours total (including naps)

1–2 years — 11–14 hours total (including 1–2 naps)

3–5 years — 10–13 hours total (nap may persist or be dropped)

6–12 years — 9–12 hours total (typically no daytime nap)

Source table: Volume 1, Unit 4, Lesson 4.5.