A mummy sleeping bag is precisely close to the body, so you don’t have to heat excess space. Mummies isolate better than rectangular bags and with sufficient filling they are suitable for temperatures down to -40°C.

Our Sleepbag opens flat, so you can just gently pop baby’s arms through the holes so they can stretch out, while a signature Snugfit™ design promotes a ‘frog-legged’ sleeping position that supports healthy hip development as your baby grows. Little spillages can be sponged off, but it’s likely that your baby sleeping bag will need machine washing regularly. Follow the manufacturer’s instructions about washing temperatures and tumble drying. We've always used JoJo Maman Bebe ones and they're brilliant, wash well, are comfortable and they last." (Recommended by Mumsnetter MummyDummyNow) With its unique half-moon zip, changing nappies is a doddle when your baby wears a Snuzpouch. Anything that makes those late-night changes any less disruptive to everybody’s sleep is a winner in our book.

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If you're after something for transitional seasons that's not too warm or light, go for our 1.5 togs sleeping bags. Our variety of sleep bags and shawls for babies feature adorable patterns and colours to choose from. And the best part-you can slip a sleeping bag over all kinds of baby clothes, from baby grows to rompers. 2.5 tog sleeping bags for winter It’s easy to see why – using a baby sleeping bag means you don’t have to worry about how much bedding to use, it keeps the baby contained and warm all night (no matter how much they wriggle), and is much easier to carry around out of the house than a pile of blankets. We had a dinky baby. The snuz sleeping bags have poppers on the side to make them a bit more snug for the littler babies. Helped us, also meant we didn’t have to buy hundreds." (Recommended by Mumsnet user rosed1008) Our verdict With a variety of styles, functions and price points now available, which sleeping bags fulfil their promise of a peaceful night's sleep? Keep reading to find out which ones impressed us most. We took all the baby sleeping bags that came most highly recommended by consumers and parents to draw up a shortlist of 20 products and then narrowed it down to the nine you see here, which we think offer enough choice for every family. Why you should trust us

Almost all brands will state whether they comply with the safety standard in the accompanying instructions. If it’s not mentioned, you can follow up with their Customer Service department. With a comfort temperature of -5°C, it’s suitable for use from spring right up until late autumn, and it also happens to be reversible; in hotter weather, you can remove the headrest, flip the Contour over onto its thinner side and then reattach the hood. It even opens up fully as a duvet, so you can wrap it around yourself and stay extra cosy while relaxing by the fire.

Selk'bag Size Chart

Another vote for Slumbersac. They are great - we have several for our toddler." (Tried and tested by Mumsnet user Elune) Our verdict Fabric: Cotton and polyester | Sizes: 0-6 months, 6-18 months, 18-36 months | Tog: 2.5 What we love It’s available in three fills (300/600/900) for warm, cold and coldest conditions and, thanks to the profiled shape and innovative 3D hood profile that hugs the wearer like an oversized parka, essential body heat is trapped. It also features a roomy “shark fin” boot box so you don’t feel too restricted. A baby sleeping bag is much less of a suffocation risk than a blanket, but still needs to be used carefully to promote a safe environment for sleeping. Sleeping bags are basically wearable blankets for babies that keep them comfortable and at a safe temperature as they sleep. They are safer for little ones because there's no need for blankets, so their head remains safely uncovered, reducing the risk of suffocation.