The 3-to-2 nap transition: when the catnap goes

By the HAL team · Updated August 27, 2026

The third nap — that late-afternoon catnap — is the first structural piece of the day to go. Most babies drop it between 6 and 9 months, landing on the two-nap day that will carry them to toddlerhood. It's the gentlest of the nap transitions: done with an early-bedtime bridge, it usually takes only a week or two.

Signs the catnap is done

• It's refused most days for two weeks — baby plays or protests through the old catnap slot
• When it does happen, bedtime slides past 8:00 or turns into a battle
• The first two naps have consolidated — often 1–1.5 hours each — and wake windows are stretching toward 2.5–3 hours

One failed catnap in a rough week is noise. At 6 months, occasional failures are usually early wobble rather than readiness — the drop most commonly completes around 7–9 months.

How to make the switch

1. Cap, then skip. Shorten the catnap to 20–30 minutes for a few days, then drop it entirely.
2. Bridge with an early bedtime. For the first week or two, bedtime as early as 6:00–6:30 absorbs the lost sleep. This is temporary — it drifts back to 7:00–7:30 as the two-nap day settles.
3. Stretch the remaining windows gradually. Nap 1 shifts toward 9:00–9:30 and nap 2 toward 1:30–2:00 over a week or so, with wake windows settling at 2.5–3.5 hours.

Sample days

What if baby can't make it to bedtime?

Some days the stretch from nap 2 to even a 6:15 bedtime is too much. A 10–15 minute rescue catnap (stroller or car, ending by ~4:30) buys the evening without resurrecting the third nap — use it as an escape hatch, not a routine.

Is it a regression or the transition?

The 3-to-2 window overlaps the 8–10 month rough patch — separation anxiety plus crawling practice can wreck naps in a way that looks like transition readiness. The tell: transition-ready babies handle catnap-free days fine; bump-affected babies are struggling at every sleep, not just the third nap. If nights fell apart at the same time the catnap did, treat it as the bump and hold the three-nap offer for another week or two.

Keeping caregivers on the new day

Mid-transition, the schedule changes week to week — exactly when a nanny or grandparent is most likely to run last month's version. With HAL in the family thread, today's actual nap times and the current plan are one question away for whoever has the baby, and every logged nap updates the estimate for the next one.