What Do You Actually Need for Safe Baby Sleep?

What do you actually need for safe baby sleep? Less than the internet sells you. The evidence-based basics are short: put baby on the back, on a firm, flat surface, with nothing loose in the sleep space. Everything else is comfort for you, not safety for baby. Here's the practical version, aligned with the Canadian Paediatric Society and Health Canada's Joint Statement on Safe Sleep.

What is the safest sleep position for a baby?

On the back, for every sleep — naps included — until at least their first birthday. Back-sleeping is the single most studied factor in reducing the risk of sudden infant death (SIDS). Once a baby can roll both ways on their own, you don't need to reposition them all night, but you always start them on their back.

What should be in the crib?

A firm, flat mattress that fits the crib snugly, a fitted sheet, and your baby. That's it. No pillows, no comforters, no quilts, no bumper pads, no positioners, and no stuffed animals during sleep. Soft objects and loose bedding are the main hazards a parent can actually control, so the crib stays deliberately bare.

How do I keep my baby warm without loose blankets?

This is where the right product genuinely helps. Instead of a loose blanket, use a sleep sack (a wearable blanket) in the right size for your baby and appropriate for the room temperature. If it is too big, your baby can slip down inside it, which can cause overheating or suffocation. If you choose to swaddle a newborn, swaddle loosely enough for breathing and free movement of the hips and legs, always place your baby on their back, and stop around two months of age — before rolling — or sooner if your baby shows signs of trying to roll.

Baby in a bamboo sleeper ready for bed

Léo Bamboo Baby Pajama

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Bamboo muslin swaddle blanket folded

Bamboo Muslin Swaddle - Surf

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Where should my baby sleep for the first six months?

In your room, on their own separate sleep surface — a crib, bassinet or cradle that meets current Canadian safety regulations. Room-sharing (not bed-sharing) for the first six months is associated with lower risk. Keep the space smoke-free, and keep the room a comfortable temperature: overheating is a real risk, so dress baby in light layers rather than piling on blankets.

Does a nightlight help or hurt sleep?

A soft, warm, dim light won't disrupt a baby's sleep and makes 3 a.m. diaper changes and feeds far less jarring than a bright overhead. Keep it low and warm-toned, and keep all cords well out of the crib and away from the sleep surface.

Soft warm fairy lights in a nursery

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Frequently asked questions

Can I put a blanket in the crib?
Health authorities advise against loose blankets for young babies. Use a correctly sized sleep sack instead — it keeps baby warm without loose bedding.

When should I stop swaddling?
Stop around two months of age, before your baby can roll over, or sooner if your baby shows signs of trying to roll. After that, choose simple sleepwear or a correctly sized sleep sack appropriate for the room temperature.

Are crib bumpers safe?
No — padded bumper pads are not recommended. A firm mattress and a bare crib are safer than any padding.

How warm should the room be?
Comfortable for a lightly dressed adult. Overheating raises risk, so favour light layers and check that baby's chest feels warm but not sweaty.

This article is general information, not medical advice — always follow the guidance of your doctor or public-health nurse for your specific situation.

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