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How Babies Actually Get Colic: The 2 A.M. Explainer

Dr. Anna Saylor smiling as she holds a newborn in front of our jungle mural

It is 2 a.m. Your baby has been crying, hard, for going on an hour, and nothing you try is landing. You have changed the diaper twice, tried the swaddle, tried unswaddling, walked the same hallway loop more times than you can count. Somewhere in the exhaustion, the question that keeps surfacing is not just how do I get through tonight, it is why is this even happening. Here is a plain answer, working through the myths that tend to get in the way of it.

Myth: It's Just Gas

Gas is often part of the picture, but it is rarely the whole story. A tense, distended belly usually shows up alongside crying rather than causing it outright. Babies swallow air while crying hard, which adds gas on top of whatever started the crying in the first place, so gas often ends up looking like a cause when it is really downstream of something else already going on.

Myth: Colic Is Just Normal Newborn Crying

Colic is not simply the upper end of normal fussiness. It has an actual clinical definition: crying that lasts more than three hours a day, more than three days a week, for at least three weeks, in a baby who is otherwise healthy and gaining weight normally. That threshold exists because this level of crying reflects something specific happening in a baby's nervous system, not an especially fussy temperament.

Myth: There's No Real Explanation, It's a Mystery

Standard medicine has struggled to pin down a single cause, which has left a lot of parents with a shrug and a wait it out. But a clearer picture has emerged around what is actually going on: colic reflects a nervous system whose parasympathetic side, the rest and digest side responsible for calm feeding and easy digestion, is not engaging the way it should. Instead, a colicky baby's system tends to stay tilted toward the sympathetic, fight or flight side, which makes settling, feeding, and digesting all harder than they should be.

Myth: A Rough Pregnancy or Birth Has Nothing to Do With It

For a lot of babies, that nervous system imbalance traces back to real physical events. A high-stress pregnancy can carry stress hormones across the placenta to a developing baby. Birth interventions, a C-section, vacuum or forceps assistance, a long or fast labor, can place real strain on a newborn's upper neck and brainstem, right where the vagus nerve begins its path down through the body. Even a birth that looked completely uneventful from the outside can leave tension in that area.

Myth: It's One Isolated Problem

Colic, reflux, and constipation show up together in the same baby more often than parents expect. That is not a coincidence. All three trace back to the same vagus nerve pathway, which coordinates digestion, feeding coordination, and elimination. A baby whose vagal tone is struggling can end up dealing with more than one of these at once, which is part of why treating gas alone, or reflux alone, so often falls short of real relief.

Myth: You Just Have to Wait It Out

Waiting it out has been the standard advice for a long time, largely because standard options are limited once gas drops and formula changes have been tried. But a nervous system stuck in that sympathetic pattern is not simply going to age its way out of the imbalance on its own timeline for every baby. Identifying and easing that underlying tension can move things along a good deal faster than waiting alone.

What This Means for Your 2 A.M. Baby

None of this means you missed something or did anything wrong during pregnancy or birth. It means there is a real, physical explanation worth looking at directly, rather than another round of gas drops and a shrug. Roughly one in four babies goes through this, which is worth remembering the next time it feels like your house is the only one awake at this hour.

It is also worth remembering that colic, reflux, and constipation showing up together does not mean three separate problems need three separate remedies. Once the underlying nervous system pattern gets attention, all three symptoms often start easing around the same time, which is a very different experience than chasing each one down separately with its own remedy.

Our Approach

We start by hearing your baby's birth story, feeding pattern, and the specific symptoms you are seeing. From there, a gentle exam and INSiGHT neurological scanning show us where nervous system stress is concentrated. Our doctors use light, nervous system focused contacts, far gentler than a typical newborn exam, to ease tension in the upper neck, mid back, and lower spine and pelvis, the regions most involved in digestion, breathing, and elimination.

Parents often notice real relaxation during or shortly after an adjustment, sometimes sleep. Many report less crying, easier feeding, better bowel movements, and calmer settling within the first several visits, though every baby's pace is a little different.

A Few Things That Can Help Tonight

  • Holding your baby upright for ten to fifteen minutes after feeds to give swallowed air a chance to move
  • Feeding in a slightly more upright position if reflux tends to follow meals
  • Gentle bicycle-leg movements between feeds for a gassy belly
  • A quick note of when crying spikes, since a time-of-day pattern is useful information

Where to Go From Here

If tonight is one of many nights like this, it is worth learning more about how we support colic and infant digestive issues. We also have a free guide on the nervous system side of colic. When you are ready, you can book online with our doctors in Royal Oak, or call us at (248) 616-0900.

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