The Safe Sleep Guide For Babies

Safe Sleep for Babies Under 12 Months: What Every UK Parent Should Know

Getting your baby to sleep is one thing—making sure they sleep safely is another. Each year, tragically, some babies die unexpectedly in their sleep. But by following a few simple, evidence-based guidelines, you can significantly reduce the risk of Sudden Infant Death Syndrome (SIDS).

Here’s a practical, UK-focused guide to keeping your baby safe during sleep.

Safe Sleep Guidelines (UK)

The Lullaby Trust and NHS recommend the following for all babies under 12 months:

1. Always place your baby on their back to sleep

This is the safest position. Side or tummy sleeping increases the risk of SIDS. Once your baby can roll over on their own, keep placing them on their back at the start of sleep.

2. Use a firm, flat mattress

Your baby should sleep in a cot, Moses basket or crib on a firm, flat, waterproof mattress with a fitted sheet. Avoid soft or cushioned surfaces.

3. Keep the cot clear

No pillows, duvets, soft toys, cot bumpers, or loose bedding. These can all pose suffocation or overheating risks.

4. Sleep in the same room as your baby for the first 6 months

The safest place for your baby to sleep is in a separate sleep space in your room, day and night, for at least the first six months.

5. Avoid overheating

Keep the room temperature between 16–20°C. Use a room thermometer and dress your baby in light sleep clothing. If needed, use a well-fitting baby sleeping bag suitable for the season.

6. Avoid smoking

Smoking during pregnancy or after birth—especially around your baby—greatly increases the risk of SIDS. Keep your baby in a smoke-free environment at all times.

7. Avoid bed-sharing if...

Co-sleeping increases risk in some situations. Never share a bed with your baby if you:

  • Have consumed alcohol or drugs (including medications that make you drowsy)

  • Are a smoker (even if you don’t smoke in the bedroom)

  • Are extremely tired

  • Share the bed with other children or pets

Babies should never sleep on sofas or armchairs, as this is particularly dangerous.

Common Myths

  • “My baby sleeps better on their tummy.”
    They might settle more easily, but tummy sleeping dramatically increases SIDS risk in young babies.

  • “I’ll just let them nap in their car seat or buggy.”
    Car seats and prams are fine for travel, but they’re not suitable for regular sleep. Always safely transfer your baby to a flat sleep surface once you're home.

Summary Checklist

✅ Baby sleeps on their back
✅ In their own cot, crib or Moses basket
✅ On a firm, flat mattress with no soft bedding
✅ In the same room as parents for at least 6 months
✅ No smoking near baby
✅ Dressed appropriately for room temperature

Final Thoughts

Safe sleep isn’t about scaring parents—it’s about empowering you with the knowledge to protect your baby. These small steps make a big difference, and they’re backed by decades of research and expert advice here in the UK.

Because every baby deserves a safe and peaceful sleep.

Useful UK Resources:

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The Newborn Sleep Survival Guide

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Sleep and Starting Primary School