Nina W.
"Very nice and practical sleeping bag, remember the insert for cold days!"
The Sleeping Bag Guide
A better night's sleep starts here
Finding the right sleep solution for your baby can make all the difference. After all, when they sleep better, so do you! That’s why we created a Sleeping Bag Guide — to help you choose the perfect fit for your little one and ensure everyone gets a peaceful night’s rest. Whether you’re preparing for your newborn or just want to make bedtime a bit smoother, we’ve got you covered.
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Why choose a baby sleeping bag?
Baby sleeping bags are a safer alternative to loose blankets, helping reduce the risk of overheating and suffocation. Sleeping bags promote longer, more restful sleep by keeping your baby at a consistent temperature through the night. They also help establish a calming bedtime routine by becoming a familiar cue that it’s time to rest.
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How to use the Najell Sleeping Bag
Getting started with the Najell Sleeping Bag is super simple because we know bedtime routines should be easy, not stressful. Here’s how our design helps make your life a little smoother (and your baby’s sleep a lot cozier):
✓ Easy zip fastening from the bottom for quick nighttime changes
✓ Opens fully for stress-free dressing
✓ Adjustable shoulder fasteners to grow with your baby
✓ Designed to regulate temperature and prevent overheating
✓ Suitable for all seasons when used in combination with the additional insert
✓ Made with soft cotton that’s kind to your baby’s skin and free from harmful substances
Whether it’s for a nap or a full night’s rest, the Najell Sleeping Bag is designed to keep your little one safe and snug, without disturbing their precious sleep.
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TOG Chart: How to dress your baby based on room temperature
Wondering what to dress your baby in for sleep? Use this guide to match the room temperature with the right TOG for their sleeping bag.
27°C+ / 80°F+: Sleeveless bodysuit or short-sleeved bodysuit
24–27°C / 75–80°F: Short-sleeved bodysuit or sleeveless romper + 0.2–0.5 TOG sleeping bag
21–24°C / 71–75°F: Short-sleeved bodysuit + 0.5 TOG sleeping bag
18–21°C / 64–70°F: Long-sleeved bodysuit or footed sleepsuit + 1.0 TOG sleeping bag
15–18°C / 59–64°F: Bodysuit + footed sleepsuit + 2.5 TOG sleeping bag
The Najell Sleeping Bag keeps your baby cozy year-round. Use it as a lightweight 0.5 TOG in warmer weather, or add the insert to turn it into a warmer 2.5 TOG for chilly nights.
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Size guide: Which size sleeping bag should I choose?
We know babies grow fast, so we’ve got a sizing chart to help you get the best fit.
For babies between 50 to 65 cm or 0 to 6 months:
Width armpit to armpit: 26 cm
Length shoulder to bottom: 68 cm
For babies between 65 to 77 cm or 6 to 18 months:
Width armpit to armpit: 30 cm
Length shoulder to bottom: 80 cm
Tip: Choose based on your baby’s height rather than age for a better fit.
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Safe sleep and sleeping bags
Using a baby sleeping bag is recommended by sleep experts because it helps eliminate loose bedding that could pose a suffocation risk. Our sleeping bags are made with breathable fabrics and smart features to help ensure safer, more comfortable sleep right from the start.
At Najell, we’re all about making sleep safe and easy for every family. When paired with other safe sleep practices, like putting your baby to sleep on their back and using a firm mattress, our sleeping bags can help create healthy sleep habits from day one.
And always remember to follow local safe sleep recommendations. If you need more tips, check out our Safe Sleep Guide.
Loved by parents & babies all over the world
Rated 4.7 out of 5.0 stars