LEELALU

Learn · Safe sleep, birth to 12 months

Safe sleep

The setup is simple and it is the same every night. Four short guides, one checklist you can walk through tonight, and the core rules with every source named.

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

Question guides

Four questions, answered with named sources.

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

What does a safe sleep setup look like?

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

Read the guide

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

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

Read the guide

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.

Read the guide

Will a pacifier help or hurt?

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

Read the guide

Safe sleep checklist

A free tool: walk through your own setup line by line, sources visible, nothing leaves your browser.

Open the checklist

The core rules

Six reviewed statements, in their exact wording.

These are the lines we build every safe sleep guide on. Tap any of them to see the full reviewed wording, the stage it applies to, and the exact source document.

Put your baby on their back for all naps and at night.AAP HealthyChildren · 0-12 months

Reviewed wording: "Put your baby on their back for all naps and at night."

Applies to: 0-12 months · Source: AAP HealthyChildren, A Parent's Guide to Safe Sleep · Reviewed by the LEELALU team (editorial review) · Reviewed: July 2026 · Status: current · Claim ID: safesleep.back_every_sleep.0_12m.v1

Since the AAP began recommending back sleeping in 1992, the annual SIDS rate in the US has declined by more than 50 percent.AAP HealthyChildren · 0-12 months

Reviewed wording: "Since the AAP began recommending back sleeping in 1992, the annual SIDS rate in the US has declined by more than 50 percent."

Applies to: 0-12 months · Source: AAP HealthyChildren, Where We Stand: Back to Sleep · Reviewed by the LEELALU team (editorial review) · Reviewed: July 2026 · Status: current · Claim ID: safesleep.back_halved_sids.v1

There is no evidence that healthy babies sleeping on their backs choke more often than babies in other positions.AAP HealthyChildren · 0-12 months

Reviewed wording: "There is no evidence that healthy babies sleeping on their backs choke more often than babies in other positions."

Applies to: 0-12 months · Source: AAP HealthyChildren, Where We Stand: Back to Sleep · Reviewed by the LEELALU team (editorial review) · Reviewed: July 2026 · Status: current · Claim ID: safesleep.back_choking_myth.v1

Do not smoke during pregnancy and do not let anyone smoke around your baby; smoke exposure raises the risk of sudden infant death.NHS · pregnancy-12 months

Reviewed wording: "Do not smoke during pregnancy and do not let anyone smoke around your baby; smoke exposure raises the risk of sudden infant death."

Applies to: pregnancy-12 months · Source: NHS, Reduce the risk of sudden infant death syndrome (SIDS) · Reviewed by the LEELALU team (editorial review) · Reviewed: July 2026 · Status: current · Claim ID: safesleep.smoke_free.v1

To avoid overheating, dress your baby in only about one more layer than you would wear in the same environment.AAP HealthyChildren · 0-12 months

Reviewed wording: "To avoid overheating, dress your baby in only about one more layer than you would wear in the same environment."

Applies to: 0-12 months · Source: AAP HealthyChildren, A Parent's Guide to Safe Sleep · Reviewed by the LEELALU team (editorial review) · Reviewed: July 2026 · Status: current · Claim ID: safesleep.one_more_layer.v1

Do not sleep with your baby on a sofa or in an armchair.NHS · 0-12 months

Reviewed wording: "Do not sleep with your baby on a sofa or in an armchair."

Applies to: 0-12 months · Source: NHS, Reduce the risk of sudden infant death syndrome (SIDS) · Reviewed by the LEELALU team (editorial review) · Reviewed: July 2026 · Status: current · Claim ID: safesleep.no_sofa_sleep.v1

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.

Safe sleep checklist

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

Open the tool

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

Want this matched to your baby's exact month, one calm card at a time?

Join Founding Families

Reviewed by the LEELALU team (editorial review) · Updated August 3, 2026 · Sources named above.