Every parent has a different breaking point. For some it’s the third wake-up before midnight. For others it’s the six-month mark when the exhaustion stops feeling temporary. Wherever you are, you’ve probably searched “sleep training” and ended up more confused than when you started.
The internet makes it sound like there are two camps — let them cry or never let them cry. The truth is messier and more useful than that. There are actually seven distinct methods, each built on different logic, each asking something different from you. One of them probably fits your baby, your temperament, and your household. This article breaks all seven down honestly — what each one is, how it works, who it works for, and what it costs you.
No agenda here. Some methods involve crying. Some don’t. All of them can work.
Before You Pick a Method, Read This First
Your baby probably isn’t ready before 4 months old. Sleep training before this point tends to produce little to no results, according to research reviewed by Gordon (2023). Before 4 months, babies don’t yet have the neurological maturity to self-soothe reliably. Their circadian rhythms are still developing. Starting too early is frustrating for everyone and unlikely to stick.
The sweet spot most pediatric sleep specialists point to is 4 to 6 months — old enough to go longer stretches without a feed, developed enough to begin learning independent sleep skills.
Sleep training does not harm your baby. This is probably the most important thing to say before anything else. Emily Oster, PhD, an economist at Brown University who has analyzed the parenting research extensively, writes that “whether you sleep train your child or not does not drive long-term outcomes” — meaning the research does not support fears about attachment damage, emotional harm, or behavioral problems from sleep training. Multiple randomized trials have followed children into early childhood and found no negative effects on stress levels, emotional regulation, or the parent-child bond.
A 2024 study published in Pediatrics by Dr. Rachel Moon and colleagues found that while most parents are aware of safe sleep guidelines, many feel the guidelines are “unrealistic” and struggle to follow them consistently. The point: even well-informed, caring parents find this hard. That is normal.
Safe sleep rules apply no matter which method you choose. The American Academy of Pediatrics 2022 guidelines, updated in 2025, are non-negotiable regardless of your sleep training method:
- Baby sleeps on their back, on a firm flat surface
- No soft bedding, pillows, bumpers, or loose blankets in the crib
- Baby sleeps in their own sleep space (not in the adult bed)
- Ideally room-sharing for at least the first 6 months
Consistency matters more than which method you pick. Every sleep expert and every piece of research on this topic says the same thing. A method you can stick with for two to three weeks will outperform a “better” method you abandon after three days.
Method 1: Cry It Out (Extinction)
What it is: You complete your bedtime routine, put your baby down awake, say goodnight, leave the room, and do not return until morning (or a pre-set feed time if your baby still needs one). No check-ins. No timed intervals. You leave, and you wait.
This is also called the extinction method or the Weissbluth method, after Dr. Marc Weissbluth, the pediatrician who popularized it.
How it works night by night: The first one or two nights are typically the hardest, with extended crying. Most families see significant improvement by night three or four. By the end of the first week, the majority of babies are falling asleep with little to no protest.
Who it works for: Parents who need the fastest possible results and can tolerate hearing their baby cry without intervening. It also works better for babies who get more upset when a parent appears and then leaves than when the parent never comes at all. Dr. Craig Canapari, MD, a pediatric sleep specialist at Yale, notes that cry it out is the most extensively studied sleep training method in the medical literature and the one most pediatricians have used with their own children — precisely because it is effective and quick.
Honest trade-off: This is the fastest method and the hardest emotionally. That first night is real. It is not for every family, and there is no shame in that. If you start and find you genuinely cannot follow through, stop and try a different approach — inconsistency is worse for your baby than choosing a gentler method from the start.
Starting age: 4 months and older.
Method 2: Ferber Method (Graduated Extinction)
What it is: You put baby down awake and leave the room. When your baby cries, you wait a set interval before going in for a brief, calm check-in — no picking up, no feeding, just a reassuring word or a hand on the back for 1 to 2 minutes. Then you leave again. The intervals increase each night.
A common Ferber schedule looks like this:
- Night 1: wait 3 minutes, then 5 minutes, then 10 minutes for each subsequent wake
- Night 2: wait 5 minutes, then 10 minutes, then 12 minutes
- Night 3 and beyond: continue increasing
Named after Dr. Richard Ferber, founder of the Center for Pediatric Sleep Disorders at Boston Children’s Hospital.
Who it works for: Parents who want faster results than the gentler methods but cannot manage full extinction. The timed check-ins give parents something to do — a way to feel responsive — rather than just waiting helplessly.
Honest trade-off: Research has found no long-term negative emotional effects on babies from the Ferber method. However, some babies get more upset when a parent appears and leaves again. If your baby escalates every time you check in, the check-ins may be working against you — that’s a sign cry it out or the chair method might be a better fit.
Starting age: 5 to 18 months.
Method 3: Check and Console
What it is: Similar to Ferber in structure, but the timing is different. Instead of waiting for a set interval before entering, you go in before your baby reaches a full cry — at the first signs of fussing or early protest. You offer a brief reassurance (a word, a pat, a hand), then leave before your baby fully escalates. Over several nights, the amount of support you offer gradually decreases.
How it differs from Ferber: The Ferber method is reactive — you wait for crying and then check in. Check and console is proactive — you aim to soothe before crying becomes full distress. This requires reading your baby’s cues carefully.
Who it works for: Parents of younger babies (4 to 7 months) or babies with sensitive temperaments who escalate quickly. It can feel more attuned because you’re responding to early signals rather than letting the baby work up to full distress before you go in.
Honest trade-off: This method requires more reading of your baby’s cues and can be harder to execute consistently if you’re uncertain when to go in. The line between a fuss and a cry can be blurry at 2 a.m. If your baby is very persistent, the frequent pop-ins may extend the process.
Starting age: 4 months and older.
Method 4: The Chair Method (Sleep Lady Shuffle)
What it is: After your bedtime routine, you sit in a chair next to your baby’s crib while they fall asleep. You offer minimal comfort — no picking up, no rocking, just quiet presence. Every two to three nights, you move the chair farther away from the crib. Eventually the chair is outside the door, and then gone entirely.
Popularized by Kim West, a licensed clinical social worker and sleep coach who wrote Good Night, Sleep Tight. It is also known as the Sleep Lady Shuffle or camping out.
Who it works for: Parents who need to be physically present to feel comfortable. Also effective for sensitive or anxious babies who become more distressed when left alone quickly. A 2022 pilot study published in the Archives of Women’s Mental Health by Blunden, Osborne, and King found that a responsive approach like the chair method produced fewer night wakings and less maternal stress compared to graduated extinction.
Honest trade-off: This method takes longer than cry it out or Ferber — typically one to two weeks. Some parents find it harder than the other methods because they are sitting in the room watching their baby cry rather than simply not hearing it from another room. The proximity makes it emotionally intense in a different way. Some babies also become more stimulated by the parent’s presence and have a harder time settling.
Starting age: 6 months and older.
Method 5: Pick Up / Put Down
What it is: You put your baby in the crib awake. When they cry, you pick them up and hold them until they calm down — not until they fall asleep — then put them back down drowsy but awake. You repeat this as many times as it takes until they fall asleep in the crib.
Who it works for: Parents of younger babies, roughly 4 to 6 months, who want maximum responsiveness and are not yet ready for any crying without intervention. If you want to stay very hands-on during sleep training, this is the most responsive option in the structured methods.
Honest trade-off: This is a labor-intensive method. On a bad night, pick up / put down can involve dozens of repetitions. It can also backfire with older or more alert babies — the act of being picked up can stimulate them more, making it harder to settle each time. Most sleep specialists recommend this method for younger infants and suggest transitioning to another approach if your baby is past 6 to 7 months or if the method isn’t producing progress after a week.
Starting age: 4 to 6 months (less effective with older babies).
Method 6: The Fading Method
What it is: You do not leave the room and there are no scheduled crying periods. Instead, you identify your current sleep prop — whatever you do to get your baby to sleep right now (rocking, feeding, patting, holding) — and you slowly reduce it each night.
An example: if you rock your baby to sleep every night, you start by rocking until drowsy but not fully asleep, then move to just holding without rocking, then to patting while lying in the crib, then to a hand on the back, then to just your presence, then to sitting farther away, and eventually to leaving the room. Each step takes two to three nights before moving to the next.
Who it works for: Parents who genuinely cannot allow any crying. Families with attachment-focused parenting philosophies. Babies who respond well to gradual change and do not escalate when a parent is present.
Honest trade-off: This is the slowest of all seven methods. The full process can take three to four weeks, sometimes longer. During that time, your sleep is still disrupted. The method requires patience and a willingness to stay consistent through slow, incremental progress. It also demands clear-headed decision-making about what counts as “the next step” — which can be difficult when you’re exhausted.
Starting age: Any age, including babies under 6 months.
Method 7: Bedtime Fading with Positive Routines
What it is: This one works differently from all the others. Instead of changing how you respond to your baby at night, you change when you put them to bed.
The idea is simple: if your baby has been fighting sleep for 45 minutes every night, their body’s natural sleep pressure hasn’t built up enough at that bedtime. You push bedtime later — sometimes significantly later — until your baby falls asleep quickly and easily. Once they’re falling asleep fast at the later time (usually within 15 to 20 minutes), you gradually move the bedtime earlier by 15 minutes every few nights until you reach your target time.
The “positive routines” piece means you build a calm, consistent pre-sleep sequence of 4 to 6 activities your baby enjoys and doesn’t resist: a bath, a feed, a song, a book. These become the signal that sleep is coming.
In the only randomized, controlled study to compare this approach directly against graduated extinction, researchers Adams and Rickert found that bedtime fading with positive routines was just as effective as the Ferber method for reducing bedtime resistance — with no crying required during the process.
Who it works for: Families where the primary problem is bedtime resistance — the baby who screams for an hour before falling asleep. Also useful for babies whose natural sleep window has shifted later than parents want. This is less suited to babies whose main issue is frequent night wakings rather than bedtime battles.
Honest trade-off: This method is less studied for night wakings than for bedtime problems. It requires staying up later than you may want to in the early phase. And it takes careful tracking — you need to notice when your baby is falling asleep fast enough to push the bedtime earlier.
Starting age: Best suited for babies 6 months and older and toddlers up to 4 years.
Which Method Fits Your Family?
Before picking, answer four honest questions:
1. How much crying can you actually handle — not what you think you should handle, but what you can genuinely sustain at 1 a.m. for five nights straight?
If the answer is none, the fading method or bedtime fading are your best starting points. If you can handle some crying with check-ins, Ferber or check and console. If you are at a point where you need this solved fast and you can commit, cry it out will get you there quickest.
2. How old is your baby?
Under 6 months: pick up / put down, fading, or check and console. Over 6 months: any method works, but cry it out and Ferber tend to be more effective as babies get older and more persistent. The chair method works well at any age above 6 months.
3. Is bedtime the main battle, or is it the night wakings?
If your baby fights going to sleep for a long time but then sleeps reasonably well, try bedtime fading first. If the problem is frequent waking throughout the night, the other six methods address that more directly.
4. Are you doing this alone or with a partner?
Solo parents benefit from simpler, more black-and-white methods — cry it out and Ferber are easier to execute consistently without a second person to take shifts with. The chair method and pick up / put down are more sustainable with two people splitting nights.
You can also combine methods. Many families use bedtime fading to solve the bedtime battle, then use Ferber or the chair method to address night wakings separately. That is perfectly reasonable. Sleep coaches do this routinely.
The One Thing All 7 Methods Share
None of them work without consistency.
Two to three weeks of consistent application is the minimum needed to see lasting results with any method. Sleep regressions, illness, and travel will set you back temporarily — that is normal, not failure. The key is returning to your method once your baby is well and life has stabilized.
Before you begin any method, make sure the sleep environment is set up correctly: dark room, consistent white noise, appropriate sleep sack for the temperature, and a safe crib or bassinet. These environmental factors affect every method’s success and are often overlooked.
If you have tried two or more methods consistently and your baby still isn’t sleeping, talk to your pediatrician. Some babies have underlying issues — reflux, ear infections, sleep apnea, or sensory sensitivities — that make sleep training much harder and require medical attention first.
Sleep will get better. The right method is the one you can actually stick with.
Sources: Emily Oster, PhD, ParentData (updated 2025); Dr. Craig Canapari, MD, Yale Pediatric Sleep; Blunden, Osborne & King (2022), Archives of Women’s Mental Health; Adams & Rickert (1989), Pediatrics; Moon et al. (2024), Pediatrics; American Academy of Pediatrics Safe Sleep Guidelines (2022, updated 2025)