By age · Toddler (1–2 yr)

How much sleep do toddlers (1–2 years) need?

Toddlers typically drop the morning nap during this period and consolidate into a single afternoon nap plus a longer night.

Recommended

11–14 hrs

Cycles per night

7–9

Source

CDC 2022

Developmental context

Toddlers (1–2 years) typically drop the morning nap during this band and consolidate into a single afternoon nap. Total sleep stays at 11–14 hours per 24 hours; most of that becomes night sleep (10–12 hours) plus one daytime nap of 1–3 hours. Circadian rhythm is fully established, so timing matters: bedtimes pushed too late produce overtired wakings, not later wake-ups.

Sleep architecture at this age

Sleep cycles are now adult-pattern (90 minutes) but deep N3 sleep dominates the first third of the night more than in adults. Night terrors — distinct from nightmares — appear during N3 transitions, typically 90 minutes into sleep, and resolve without intervention.

Common problems and patterns

Bedtime resistance, particularly around 18 months — a normal developmental push for autonomy.
Night terrors (1–3 years) — child sits up, screams, is inconsolable, does not remember it the next day. Different from nightmares. Do not wake; ensure safety; resolves spontaneously.
Nap transition from two to one nap (typically 15–18 months) — 2–4 weeks of overtired late afternoons.

Evidence-based strategies

Consistent bedtime within ±30 minutes every night, including weekends. Toddlers are highly sensitive to rhythm disruption.
Bedtime routine ≤30 minutes with predictable steps. Visual schedule cards help around 2 years.
Two clear signals for sleep onset: dim lights one hour before bedtime, no screens after dinner.
Limit afternoon nap to end by 15:30. Later naps push bedtime later and erode night sleep.

Frequently asked questions

How much sleep does a 2-year-old need?

11 to 14 hours per 24-hour day per AASM consensus. Most 2-year-olds sleep 10–11 hours at night plus a 1–2 hour afternoon nap.

When do toddlers stop napping?

Most drop the nap between ages 3 and 5. Earlier dropping (before age 3) usually reduces night sleep quality. Forcing the nap past age 5 commonly delays bedtime.

Are night terrors dangerous?

No — night terrors are a normal developmental phenomenon, distinct from nightmares. The child is in deep N3 sleep and not aware. They resolve within 5–15 minutes and the child has no memory the next day. Persistent night terrors (multiple nights per week into school age) warrant evaluation.

What this means in practice

The 11–14 hour range is the consensus from large meta-analyses, not a strict cutoff. Individuals at the edges of the band are usually fine. Chronic sleep below the lower bound is where measurable harm appears in cognitive, metabolic, and immune endpoints.

Use the sleep calculator to translate the recommended hours into a bedtime that ends a full 90-minute cycle.