Month-by-month sleep guide
8-Month-Old Sleep Schedule
- ⏰ Wake window: 2.75–3.25 hours
- 🍼 Naps per day: 2–3
- 🌙 Bedtime: 7:00 PM
- 😴 Total sleep: 12–15 hours
Reviewed by the BabyNapCalc Editorial Team — our content is reviewed for accuracy against pediatric sleep guidance (AAP/NSF). This is general information, not medical advice.
Eight months brings peak baby-in-motion energy — crawling everywhere, pulling to stand on everything — plus two classic sleep disruptors: separation anxiety and the 8-month sleep regression. Wake windows stretch to 2.75–3.25 hours, and many babies start the bumpy 3-to-2 nap transition. Total sleep stays 12–15 hours, but the schedule may wobble for a few weeks.
8-month-old sleep at a glance
Typical ranges for 8 months — every baby is different, so treat these as a starting point.
2.75–3.25 h
Between sleep periods
Long enough for 2 naps
2–3
2–3 naps
Transitioning to 2
12–15 h
Naps + night combined
Typical for this age
Sample 8-month-old schedule
An example day with a 7:00 AM wake, built from this month’s midpoint wake windows. Use the mini calculator above with your real wake time.
10:00 AM – 11:30 AM
Nap 1
About 90 minutes
2:30 PM – 4:00 PM
Nap 2
About 90 minutes
7:00 PM
Bedtime
End of the day
Separation anxiety and the 2-nap transition
Eight months is a big developmental month with an equally big sleep footprint. Crawling, pulling to stand, and peak separation anxiety arrive together — often with a 1–3 week sleep regression — right as wake windows of 2.75–3.25 hours make a 2-nap schedule possible. Total sleep holds at 12–15 hours through it all.
Wake windows of 2.75–3.25 hours
Nearly three-plus hours awake is a big leap, and it's what makes the 2-nap schedule possible. The morning window is often shortest (around 2.75 hours) and the pre-bed window longest (around 3.25 hours). Because windows are this long, a missed nap hurts more than it used to — an overtired 8-month-old can take 45 minutes to settle. When in doubt, protect the schedule over the outing. The wake windows by age chart shows how windows keep stretching toward toddlerhood.
The 3-to-2 nap transition begins
Signs it's starting: the third nap is refused for several days running, bedtime battles appear out of nowhere, or mornings start creeping earlier. The transition is rarely clean — expect weeks of alternating 2- and 3-nap days. On 2-nap days, pull bedtime earlier (6–6:30 PM) to cover the long final window; on 3-nap days, cap that last catnap at 30 minutes. Don't rush it: most babies fully land on 2 naps between 8 and 9 months.
Separation anxiety peaks
Around 8–9 months, object permanence clicks — your baby now understands you still exist when you leave, which is cognitively thrilling and emotionally terrible at bedtime. Clinginess, tears at separations, and new night wakings are all normal. What helps: a predictable, unhurried bedtime routine with plenty of connection; a comfort object if your baby has one; and calm, brief, boring responses to night wakings. This phase is developmental, not behavioral — it passes.
The 8-month sleep regression
Fueled by crawling, pulling to stand, and separation anxiety together, the 8-month regression typically brings 1–3 weeks of nap refusals and night wakings. The playbook is the same as every regression: hold wake time and bedtime steady, protect daytime sleep, and don't introduce big new habits in response to a temporary phase. If it stretches past 3–4 weeks, revisit the schedule — the 2-nap transition may be the real story. The baby bedtime calculator can re-anchor bedtime. Next: the 9-month-old sleep schedule.
8-month-old sleep questions, answered
Quick answers to the questions parents ask most about sleep at 8 months.
What are the signs of the 8-month sleep regression?
Sudden nap refusals, new night wakings, and bedtime battles lasting 1–3 weeks, often coinciding with crawling, pulling to stand, and peak separation anxiety.
How do I handle separation anxiety at bedtime?
Lengthen the wind-down with extra connection, keep goodbyes brief and cheerful, and respond to wakings calmly and briefly. It's a developmental phase that passes.
Is my 8-month-old ready for 2 naps?
Maybe transitioning: if the third nap is refused for several days or bedtime becomes a battle, start mixing in 2-nap days with earlier bedtimes. Most babies fully transition by 9 months.
What are the wake windows for an 8-month-old?
2.75–3.25 hours — among the longest pre-toddler windows, and what makes 2 naps feasible.
This page is a planning guide based on general pediatric sleep guidance, not medical advice. Every baby is different — talk to your pediatrician with concerns about your baby’s sleep.