Why Your Infant Won’t Sleep at Night and How to Help Them

  • Cassidy Campbell
  • February 3, 2026
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There are certain challenges that comes with being new parents like when an infant won’t sleep at night. It’s no secret that there are frustrations and the overwhelming feeling when it comes to nighttime wakefulness, this leads to the question of whether there is something wrong or did they miss any steps on the nighttime routine.

But the truth is that disrupted sleep is common in infancy, this is also linked to the normal environmental, developmental or physiological factors rather than being a more serious problem.

The sleep and wake cycle of your baby is heavily affected by your closeness and responsiveness to them and their cues. When they feel secured, they can easily wind down and regulate themselves.

For many parents a newborn baby carrier is extremely helpful during daytime as it helps soothe the baby, encourage longer nighttime sleeping and reduce overtiredness or the overwhelming feeling.

Stress hormones, strengthening of the bond is fostered by babywearing, which also leads to better quality of nap times, which ultimately positively influence their nighttime sleep, when an infant won’t sleep at night. 

Underlying Factors Causing Infant Nighttime Wakefulness

You can’t really blame your little ones when they often wake from their sleep, this is how they’re wired biologically. Aside from the shorter sleep cycle, they also spend more time in lighter stages of sleep that makes them more prone to waking at night.

Even for simple reasons of discomfort or changes in the environment to more biological reasons like hunger or wet or dirty diaper.

Their immature circadian rhythm is another notable factor contributing to why an infant won’t sleep at night. This usually develops when they’re around 3–4 months old, alongside growth spurts that can also increase nighttime feeding needs.

During this stage, babies gradually start to consolidate their sleep into longer stretches. Providing consistent routines and a calm environment can help support their developing sleep cycles. Remember that patience and gentle responsiveness are essential as your baby’s rhythm matures over time.

Knowing about these underlying causes can help you desensitize and normalize the experience. This can also help reduce any feeling of anxiety that you’re feeling and also the worrying feeling when your infant won’t sleep at night.

Establishing a Consistent and Calming Bedtime Routine

Developing a simple, predictable and easy-to-follow bedtime routine can help your baby get the notion that it’s time to sleep or sleep is near.

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Although they don’t really eliminate the late-night wakings, they’re pretty much of great help in transitioning into sleeping after waking in the night.

Routines are highly effective if they’re simple and calming. Activities like a warm bath, feeding, gentle massage and a quiet song or a short story can signal that it’s time to sleep. It’s not about length but the consistency of these activities.

When you’re repeating the same steps over and over each night, your infant gets used to it, your infant won’t sleep at night then associate the cues to sleeping, making them feel secured even if they still wake frequently throughout the night.

Addressing Hunger and Optimizing Daytime Feeding

Aside from the immature sleeping cycles, one of the most common reason of babies waking up at night or an infant not sleeping at night is the biological need to feed or hunger.

Since newborns have tiny stomachs that can only hold tiny amount each time, they require frequent feedings which means they need to feed over the course of the night. But when they’re fed adequately through the daytime this can reduce the excessive wakings in the night for feeding.

Cluster feeding in the evenings can be pretty normal, this helps your little ones to take in more calories before bed, leaving them feeling full through the night.

For breastfed infants, aside from nourishing your little ones, frequent feeding throughout the night can support your milk supply and production, while formula-fed babies benefit the most with slightly larger daytime feeds but with, of course, the guidance of your pediatrician.

Creating a Sleep-Inducing Environment and Safe Sleep Practices

Sleeping environment also plays a huge role in helping your little ones settle down and sleep for longer hours. A dark, quiet, comfortable room helps in sleeping in longer stretches.

Even in sleeping, keeping your babies safe is topmost priority. Babies should always put to bed on their backs, on a firm mattress and no pillows. Avoid the loose beddings or toys in their sleeping area as it can be a cause of distraction or accidents, that we do not want to happen.

White noise can be helpful in masking any sudden sound but keep the volume on a safe level. A calm, soothing environment can help reduce unnecessary stimulation when an infant won’t sleep at night.

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Maintaining a consistent sleep environment every night reinforces the cues that it’s time to rest. Gentle lighting and minimal interruptions can help babies transition between sleep cycles more smoothly. Small adjustments, like ensuring the room temperature is comfortable, also contribute to longer, more restful sleep periods.

Navigating Developmental Leaps and Sleep Regressions

There are developmental phases that can affect and cause sleep regression in infants. Milestones like rolling, crawling, or increased social awareness can sometimes be the reason why an infant won’t sleep at night. During these moments, babies can wake more frequently as their brains process these new skill sets.

But remember that this regression is temporary. It’s only one of the many other challenges of raising a child.

What can help is that when you keep your routine and provide them their much-needed comfort, without introducing new sleep crutches, these can help babies to return to their baseline sleeping patterns after this developmental leap passes through.

Understanding and Correcting Sleep Associations

The activities or routine conditions done to signal bedtime are sleep associations; these activities teach the baby to fall asleep, and they become especially important when an infant won’t sleep at night.

From feeding sessions, rocking until they’re groggy or just being held in your arms. Although it’s pretty normal to have these activities and helpful at first, there are times when they lead to frequent wakeups, especially when they are highly dependent on these same conditions just to fall back to sleep.

You can try to gently encourage them into independently settling down. To reinforce this, you can practice placing them down when they’re drowsy but still awake, this such thing can reduce the repeated night wakings with time.

But doing this doesn’t mean that you’re also not going to give them comfort, but it’s a way of helping them gain that flexible sleeping skills when infant won’t sleep at night.

Identifying and Managing Discomfort (Gas, Reflux, Teething)

There are times when physical discomfort disrupts infant sleep. Gas can be a cause of restlessness, while having a reflux makes lying pretty uncomfortable.

There are signs that indicates that your child may be suffering from these discomforts, like back arching, frequent spit-up or crying shortly after feeds.

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There are certain kinds of practices that can help reduce the risks of these discomforts, like keeping your babies in an upright position after feeding, frequent burping even in between feeds, and making sure that they’re latching properly to avoid intake of air.

Other discomfort like teething, although this can come in at a later time, can also be a contributor to the night wakings, but it can be soothed with recommended methods from your pediatrician.

When and How to Introduce Gentle Sleep Coaching

Consider gentle sleep coaching when your baby is developmentally ready. Around 4 – 6 months, babies can be ready for this, but it will still depend on their individual needs and preferences. With this approach it usually focused on the gradual changes rather than those abrupt crying-based methods.

Some techniques can include responsive settling, reducing any intervention slowly and try and let them to have opportunities to self-soothe. The goal here isn’t to eliminate the night wakings but rather to help your little ones fall asleep easily when your infant won’t sleep at night.

Consistency and patience are key, as every child adapts at their own pace. Over time, these gentle methods can build healthy sleep habits and increase confidence for both parents and babies. Remember to celebrate small progress, as even tiny improvements contribute to calmer nights and more restful days.

When Your Infant Won’t Sleep at Night: A Parent’s Guide to Calmer Nights

Caring for a newborn comes with many unexpected challenges, and nighttime can feel particularly difficult. Sleep patterns are still developing, and frequent wake-ups are a normal part of early infancy. Many new parents feel exhausted and unsure how to help their baby settle.

At times when your infant won’t sleep at night, it can feel like the weight of the world is in your shoulders, it’s isolating and overwhelming all at the same time. But remind yourself that this is temporary part of their early development.

Knowing the biological reasons behind nighttime wakings, addressing hunger, establishing supportive routines, environment, and comfort, parents can gently improve sleep over time.

Every baby is unique, and progress often comes in small steps rather than sudden breakthroughs. With patience, consistency, and responsive care—supported by tools like a newborn baby carrier—both you and your infant can move toward more restful nights and calmer days.


Cassidy Campbell, a Utah native and avid skier, is a seasoned online marketing expert passionate about entertainment and lifestyle. She contributes inspiring pieces to Millennial Magazine, blending her marketing expertise with her love for storytelling to empower her generation to live their best lives.

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