LEELALU

Learn · Baby, 0 to 3 months

Baby, 0 to 3 months

Fourteen calm guides for the fourth trimester: sleep, crying, soothing, skin, spit-up and the quiet question behind them all, "is this normal?"

Lu, the LEELALU companion of light: a warm golden droplet with calm brown eyes

Sleep

Seven guides for the nights.

Each guide opens with a short answer, shows the reviewed wording behind it, and ends with one small thing you can do tonight.

How much should my newborn sleep?

What named sources say about totals, and why the pattern matters less than people imply.

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Is waking every 2 hours normal?

Why frequent waking is built into this age, in the reviewed wording of named sources.

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Why is my baby awake all night and asleep all day?

Day-night mix-ups are a stage, not a failure. What sources say about how it settles.

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What does a safe sleep setup look like?

The sleep space, item by item, with the source named behind every line.

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Should the baby sleep in our room? For how long?

Room sharing, bed sharing and the sofa question, each answered in sourced wording.

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Am I swaddling safely, and when do I stop?

The two swaddle rules that matter most, and the clear sign that swaddle season is over.

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Will a pacifier help or hurt?

What the research summarized by named sources actually says, minus the strong opinions.

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Crying and soothing

Two guides for the loud hours.

Why does my baby cry every evening?

Evening fussiness and colic, explained in reviewed wording, with an end date attached.

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What actually calms a fussy baby?

Sourced soothing techniques you can try tonight, one at a time.

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Body and care

Three guides for skin, spit-up and bath time.

Is my newborn's skin supposed to look like this?

Baby acne, milia, peeling and friends: the common newborn skin findings, sourced.

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Is all this spit-up normal?

What reflux usually looks like at this age, how it tends to resolve, and what helps meanwhile.

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How often does my baby need a bath?

Less often than the ads suggest. What named sources say about frequency and the cord weeks.

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Development

Two guides for watching them grow.

How much tummy time, and how?

A gentle, sourced way to start, sized for real days with a real baby.

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Is my baby on track?

Why healthy babies vary, what newborn senses can already do, and what to enjoy rather than measure.

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Education, not diagnosis

These pages exist to orient you, not to assess your baby. If something feels wrong, call your pediatrician. In an emergency in the US, call 911.

Free tools

Three small helpers, all local to your browser.

Nothing you type leaves your device. Fill one in, print it, done.

Pediatrician question builder

Collect your questions before a visit so the appointment answers what you actually came to ask.

Open the tool

Caregiver handoff card

A printable card with feeds, naps, soothing notes and contacts for whoever watches the baby next.

Open the tool

Safe sleep checklist

Walk through the sleep setup item by item, with the reviewed source visible behind every line.

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Reviewed by the LEELALU team (editorial review) · Updated August 3, 2026 · Sources are named on each guide.