The crying curve has a shape

Medically-informed · Sources: CDC · Updated June 2026 · 3 min read

The most useful graph in parenting

Newborn crying isn't random — it follows a curve. Total daily crying commonly starts climbing around two weeks, peaks near two months, and eases substantially by three to four months. Knowing the shape changes everything: the loud stretch has an end date, and you're allowed to count down to it.

Ask FirstWeeks anything about your baby

Some crying has no reason

Here is the part nobody says out loud: at this age, some crying has no findable cause. Fed, dry, warm, held — still crying. This is a documented feature of normal newborn development, not a verdict on your parenting. Babies in every culture on the planet do this, on roughly the same schedule.

Is this normal for your baby?

FirstWeeks answers with your baby’s age and today’s log in mind — with pediatric sources attached.

The soothing rotation

Work a loop instead of hunting the one magic fix: feed if it's been a while, fresh diaper, motion (walking, rocking, stroller), sound (shushing, white noise), sucking (breast, pacifier), skin contact, a change of scenery to a dimmer room. Any one of them may work today and fail tomorrow. That's normal too.

The rule that protects everyone

Never shake a baby — not from frustration, not 'to snap them out of it'. If the crying has drained you to the edge, put your baby down safely in the crib, walk into another room, breathe for a few minutes. A crying baby in a safe crib is fine. A parent at their breaking point needs the break more than the baby needs holding right that second. Hand off to a partner the moment one exists.

When crying is a symptom

A cry that sounds unlike your baby — high-pitched, weak, moaning — or crying with fever, vomiting, refusal to feed or a bulging soft spot: call your pediatrician now. Inconsolable crying for hours despite feeding and holding deserves the same call.

Say it back to yourself

It rises, it peaks, it falls. You're not doing anything wrong. It has an end date.

Sources

Less guessing tonight

Track the evening in one tap — then ask what it means.