Sleep & Soothing
Broken nights are hard. Let’s start with a safe place for your baby to sleep, then look at a few things that may help.
Original guidance checked July 2026 · See the linked sources for updates
- Every sleep: on the back, flat bare surface, room-sharing for 6 months.
- Newborn sleep comes in fragments. That's the design, not a malfunction.
- Newborn wake windows are short: 45 minutes to an hour is plenty.
- Sleep training is a 4–6 month conversation, never a newborn one.
First, the non-negotiables (AAP 2022, still current)
Everything else on this page is optional technique. This box isn't. source
- Back to sleep for every nap and every night, until age 1.
- Firm, flat, bare surface. A crib, bassinet, play yard, or bedside sleeper meeting federal standards. No incline over 10°, no pillows, blankets, bumpers, toys, or mattress toppers. Nothing but a fitted sheet.
- Room-share, don't bed-share. Baby's own surface in your room for at least 6 months cuts SIDS risk by up to 50%. The AAP doesn't recommend bed-sharing in any circumstance, and a sofa or armchair doze with a baby is the most dangerous surface of all (up to 67× risk).
- No weighted anything. The AAP says weighted sleepers, swaddles, and blankets are unsafe, and a CPSC commissioner's warning agrees. source
- Pacifier at sleep = protective. Offering one at naps and bedtime reduces SIDS risk (wait ~3–4 weeks if establishing breastfeeding).
- Swaddling ends at the first sign of trying to roll, which can be as early as 2 months. Swaddled babies always on the back, hips loose. source
Soothing: the 5 S's
| S | How | Safety line |
|---|---|---|
| Swaddle | Snug through the arms, like a little burrito | Hips loose and free to bend; back-sleep only; stop at any rolling attempt source |
| Side/ | Hold baby on their side or tummy in your arms to calm | For calming only, never for sleep. Sleep is on the back, full stop. |
| Shush | The womb was loud; steady white noise recreates it | Keep the machine well away from the crib (~7 feet) and the volume low; a Pediatrics study found many machines can exceed safe nursery loudness at crib distance source |
| Swing | Tiny, jiggly, head-supported motions (an inch of movement) | Small wiggles, never big shakes. A baby must never be shaken — ever. |
| Suck | Pacifier or (washed) finger; sucking lowers heart rate and stress | If breastfeeding, wait until nursing is established (~3–4 weeks) |
Stack them (swaddled + held on side + shushing + gentle jiggle + pacifier) and you're speaking fluent womb. And when nothing works and you're fraying: baby on their back in the crib, walk away, breathe, check in every 5–10 minutes. source
How baby sleep works
- Newborns sleep 14–17 hours a day, in fragments, waking every 1–3 hours. source
- About half of newborn sleep is active (REM) sleep: the wiggly, noisy, grunty kind. A "restless" sleeping baby is usually just a sleeping baby; wait before rushing in. source
- Baby sleep cycles run roughly 40–60 minutes versus an adult's ~90. More cycle endings per night means more chances to wake. source
- Day/night confusion is completely normal for the first weeks; the internal clock comes online around 6 weeks–3 months. Bright days, dark boring nights speed it along. source
- Real sleep cycles emerge around 4 months. The famous "4-month regression" is really your baby's sleep growing up and settling into adult-style cycles for good. The fussy patch passes in days to a couple of weeks; the new structure is here to stay. source source
- Consolidation comes: 4–6-hour stretches around 4–6 months, and by 9 months most babies can do 8–10 hours. "Can" means they still wake between cycles, but resettle themselves. The AAP's definition worth taping to the fridge: a good sleeper isn't a baby who never wakes; it's one who wakes and gets back to sleep on their own. source source
Wake windows: the overtired trap
Her other keeper for the newborn months: newborn sleep is chaos, and chaos is normal. No schedule survives contact with a 3-week-old. Structure emerges from about 2–6 months; until then the wins are simple: watch wake windows, catch the drowsy state, and take shifts with your partner so someone is always semi-human.
Sleep associations: the 2 a.m. plot twist
Everyone rouses briefly between sleep cycles; the question is whether going back down requires assistance. Whatever conditions a baby falls asleep with at bedtime (nursing, rocking, being held) are the conditions they'll look for at every natural night waking. Dubief's analogy: fall asleep in your bed, wake up on the front lawn. You'd yell too. Same bedtime conditions, same 2 a.m. conditions = faster resettling. source
The AAP's version of the same advice: from around 4 months, put babies down drowsy but awake, because practicing the fall-asleep skill at bedtime is what makes self-resettling possible at 2 a.m. And don't sprint in at every squeak: babies need a few minutes to try resettling themselves, and a 6-month-old waking then drifting back off is normal, healthy sleep. source
Sleep training: the honest version
Not for newborns. Under ~3–4 months, babies are still learning day from night and feed around the clock, so "training" solves nothing at that age. Soothing, shifts, and survival do (Dubief says the same: for newborns the answer is "time, soothing, and taking turns"). source
From roughly 4–6 months, if night wakings are grinding your family down, you have a menu of options: gradual approaches (slowly swapping how baby falls asleep: rocking → patting → presence → independence), timed-check methods (Ferber-style graduated waiting), and full extinction. Dubief's book frames these as a spectrum; pick by your baby's temperament and your tolerance, and know that consistency matters more than which method you choose.
What the evidence says: a randomized trial published in the AAP's journal Pediatrics found graduated extinction and bedtime-fading improved infant sleep with lower infant stress markers and no difference in attachment security at follow-up. And the AAP is equally clear on the other side: responding to and holding your baby "will not spoil him." Both are true, so this comes down to parenting style rather than safety. Do what keeps your household functional. source source
One quiet fact that helps: by 2–4 months (or ~12 lbs), most formula-fed babies no longer need a middle-of-the-night feed; night wakings after that are increasingly about habit and associations rather than hunger. Breastfed babies typically feed at night longer. Your pediatrician can tell you which camp yours is in. source
About the sources on this page
- The American Academy of Pediatrics (AAP)
- The professional organization of America's pediatricians. Its guidance on safe sleep, fevers, feeding, and screen time is what your own pediatrician is trained to follow; its parent site is HealthyChildren.org.
- The Centers for Disease Control and Prevention (CDC)
- The U.S. government's public-health agency. It sets the childhood vaccine schedule and publishes the developmental-milestone checklists.
- The U.S. Consumer Product Safety Commission (CPSC)
- The federal agency that sets mandatory safety standards for cribs, bassinets, and other baby products, and runs the national recall system.
- MedlinePlus
- The plain-language medical encyclopedia run by the National Institutes of Health, the U.S. government's medical-research agency.
Written by J. Ladis and Haley Dell, who are parents, not doctors. This is general education for healthy, full-term babies, not medical advice. Your pediatrician and OB know your family. When this page and your doctor differ, your doctor wins. Premature babies and babies with health conditions often have different rules.
Facts checked against the linked sources, July 2026.