Infant · 4–12 months
Baby Sleep Training (4–12 Months).
Certified baby sleep training for infants 4–12 months. Sleep regressions, night wakings, nap transitions — all fixable with the right plan and daily support.
Common challenges
What's happening at this age.
- The 4-month regression that never really ended.
- 3–5 night wakings that used to be one clean feed.
- 30-minute naps and a baby who's overtired by 10 a.m.
- The 2-to-1 nap transition wrecking bedtime.
- Rocking, nursing, or bouncing to sleep — and it stopped working.
- Early rising at 5 a.m. with no way to push it later.
The approach
How Jenna works with this stage.
From 4 months on, structured sleep training becomes possible — and it works fast when it's the right method for your baby. Every plan starts with your comfort level: some families want minimal crying, others are okay with a firmer approach. Jenna builds the plan around your line, not hers.
The plan covers falling asleep independently at bedtime, connecting sleep cycles overnight, and consolidating naps during the day. We use age-appropriate wake windows, adjust feeding schedules, and set a consistent sleep environment. That's the technical part.
The bigger part is running the plan through nights three and four — when kids test the changes and parents want to quit. Daily messaging is where the real gains happen. You send the night's data, Jenna reads it, tweaks the plan, and you don't second-guess yourself into another six months of no sleep.
What the plan includes
Everything you get for this age.
Quick answers
Questions parents ask about this age.
When can I start sleep training my baby?
Most babies are developmentally ready for structured sleep training between 4 and 6 months. By this age they can consolidate night sleep and connect sleep cycles. Before 4 months we build foundations; after 4 months we run a real training plan.
Is 4 months too early to sleep train?
No — 4 months is the earliest developmentally appropriate age for structured sleep training and often the easiest window. Sleep cycles have just matured, habits aren't deeply engrained yet, and mobility isn't complicating the crib. Waiting longer usually makes training harder, not easier.
How long does the 4-month sleep regression last?
The 4-month regression is a permanent change in how your baby sleeps, not a phase you wait out. The disruption typically resolves within 2–6 weeks once your baby learns to fall asleep independently. Without a plan, it commonly stretches to 3–6 months of frequent wakings.
Why is my baby waking every hour at night?
Hourly wakings almost always mean your baby needs help falling asleep — feeding, rocking, or bouncing — and can't reconnect sleep cycles independently. Every 45–60 minutes a cycle ends and they wake fully because the sleep condition has changed. Teaching independent sleep-onset resolves it.
What are wake windows for a 6-month-old?
Most 6-month-olds do best on wake windows of 2 to 2.5 hours between naps, with a slightly longer 2.5–3 hour window before bed. Total daily sleep at this age is 13–15 hours across 3 naps and 11 hours overnight.
When do babies drop to 2 naps?
Most babies drop from 3 to 2 naps between 6 and 9 months old. Signs it's time: the third nap is a fight, bedtime keeps drifting later, or the third nap has become impossible to fit in. The transition takes 1–2 weeks to settle.
Can you sleep train while breastfeeding?
Yes. Sleep training and breastfeeding are fully compatible — the plan is built around your feeding setup, not against it. You can keep night feeds, drop them, or wean gradually; the plan adapts to what you want. Nothing about sleep training requires you to stop nursing.
Why is my baby waking up at night after sleeping through?
Common causes are the 8- or 12-month regressions, teething, nap transitions, illness, or an independent sleep skill slipping under a new prop. A plan identifies which one is driving the wakings and fixes the actual cause instead of throwing everything at the wall.
Different age?
Sleep support for every stage.
Better sleep starts with
one call.
15 minutes. Free. No pitch. Virtual — U.S. and Canada.