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The only baby mattress designed to keep your baby cooler, aid breathing and prevent flat head syndrome

Clinically proven to prevent flat head syndrome

  • The SleepCurve® Cot Mattress shown without mattress cover or fitted sheet demonstrating the unique ergonomic design.
  • The patented curve design is clinically proven to prevent and remedy flat head syndrome and gives your baby a better nights sleep.
  • The SleepCurve® Cot Mattress shown without mattress cover or fitted sheet demonstrating the unique ergonomic design.
  • The SleepCurve® Cot Mattress shown with a mattress cover and fitted sheet.
  • The SleepCurve® Cot Mattress is adjustable to 4 different positions to ensure your baby is in the correct position in the cot.
  • The patented curve design is clinically proven to prevent and remedy flat head syndrome and gives your baby a better nights sleep.

Cot Mattress

The SleepCurve® Cot Mattress is clinically proven to remedy and prevent Flat Head Syndrome and helps give your baby a better nights sleep.

Mattress Tick

Includes mattress protector and pair
of fitted sheets

Delivery Van

Fast, free delivery

See how the Sleepcurve® mattress helps your baby sleep >

Tested and Approved by Alder Hey Childrens NHS Trust See the Results >

"The SleepCurve® mattress is amazing, it ticks so many boxes!"

"I initially decided to try the moses mattress as Elwood developed a slight flattening on one side of his head and I was told that the mattress could help, which it has, but it’s the other benefits which I like, for example when Elwood caught his first cold, the mattress was perfect for positioning his head so his airways were free and his sinuses never blocked. Day time was hard for him, but when night time came he slept right through. I highly recommend it"
Sherri Tai-Chidlow, mum to Elwood

Read more reviews

Watch Philip Owen, Sleepcurve's inventor explain how it works

Keep baby cooler and more comfortable

Your baby’s temperature is very important and care should be taken to avoid overheating. Ordinary cot or crib mattresses trap the heat against your baby’s body and head leading to discomfort. SleepCurve® mattresses feature intergrated, rounded channels so excess heat can escape, leaving your baby comfortable and happy.

Aid breathing and promote better posture

When a baby is lying on their back on a flat surface, the head is tilted down with the chin touching the top of the chest. This isn’t natural because it constricts the airways and a baby breathing like this is more likely not to sleep through the night. A SleepCurve® baby mattress allows the head to rest in a natural neutral position with the airways completely clear and babies breathing this way will be more comfortable and more likely to sleep through. Parents tell us that their babies sleep more peacefully and when babies catch a normal respiratory infection, they are less affected because the airway is in the natural, open position.

Clinically proven to remedy and prevent Flat Head Syndrome

In a recent clinical study by Alder Hey Children's Hospital, 29 out of 30 babies with Flat Head Syndrome showed significant* improvement in head shape (cranial vault asymmetry) after using a SleepCurve® mattress. The report concluded that the SleepCurve® mattress produced similar results as a baby helmet for treating Flat Head Syndrome. The authors also commented on how much more cost effective the mattress was (as well as being less obtrusive and more comfortable for baby).
*Average head asymmetry fell from 16mm to 5mm over the 6 month period.

Reduce Reflux for a better nights sleep

Acid reflux or posseting is unpleasant for your baby and is the cause of many a disturbed sleep. A SleepCurve® mattress has a gentle slope down towards the feet designed to help your baby, whilst still being totally comfortable and allowing your baby to sleep in a natural, comfortable position.

Allow baby’s head to move freely

All babies’ heads have a pronounced bulge at the back. In the early weeks of a baby's life the shape and weight of the head is too much for the undeveloped neck muscles to control movement. As a result babies lying on a flat mattress will end up with their head turned to one side or another. The unique hollow of a Sleepcurve® mattress allows the baby’s head to turn more freely, which has benefits for the spine and the muscles around the spine as well as the neck muscles.

Product Description

The SleepCurve® Cot Mattress is suitable for babies who are too big to sleep comfortably in a crib or moses basket. The unique design delivers ultimate comfort for babies and peace of mind for parents.

The SleepCurve® Cot Mattress features a movable curve that has four levels of adjustability. As your child grows, the curve can be moved along the length of the mattress, allowing it to be positioned in the correct place underneath the child’s head whilst their feet remain at the base of the cot in accordance with the FSID recommended ‘Feet to Foot’ guidance.

The pack includes a mattress with a pre-fitted hypoallergenic, anti-dustmite and washable mattress protector and two fitted sheets. You can also purchase additional sheet sets.


Mattress Size: 60cm x 120cm


Common Questions

Is there any independent clinical proof of the effectiveness of the mattresses?
There has been a clinical study of the mattresses by Alder Hey Children's Hospital. They found that 29 of the 30 babies in the study had a significant improvement in head shape over the 6 month study period. The average was a 11mm improvement. The report concluded that SleepCurve mattresses were an 'effective treatment' with results similar to a baby helmet but at a fraction of the cost.

If my baby rolls over and doesn't stay with its head in the curve should I stop using a SleepCurve mattress?
There is no evidence of any detrimental effect of using a SleepCurve mattress once your baby can roll over independently. However, if your baby moves a lot or is rolling over regularly then we recommend that you review the use of the mattress. If your baby's head is not in the curve in the correct position the positive benefits of using the mattress are lost.

Customer Reviews

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  1. really pleased! 5 Star Review

    Baby boy developed plagio to the left side of his head, which was worsening and by 6 months was very noticeable. I had discussed with HV who said it would improve over time but after looking into it I felt that I needed to do more than just frequent repositioning. I discussed with my husband who felt that a helmet was not an option for us and we decided to purchase the sleepcurve mattress. I am really impressed and have definitely seen an improvement. It had only been 6 weeks and he still has a flat spot but there seems to be more shape to the back/side of his head and I hope that this will continue to improve as he gets older. If I had known about the sleepcurve mattress before I would definitely have purchased one for the Moses basket and would highly recommend one for the cot. The only problem I have noticed is that the fitted sheets that are supplied with the mattress do not wash well and shrink even on a low temperature wash without tumble drying.

    Posted by on 14th Mar 2017

  2. Good Mattress, shame about the sheets 5 Star Review

    Very pleased with the mattress and the customer service but it is rather let down by some awful sheets! They smelt horribly strongly of smoke when I opened the packet, are made of very cheap 100% stiff cotton, and are a terrible task to iron. Shame they're not made of a nicer polycotton or something. However, would recommend the mattress, pretty sure it has helped my baby's flat head and helped him to sleep a bit better.

    Posted by on 2nd Mar 2017

  3. Excellent Mattress. 5 Star Review

    Love this mattress, get for your little ones. Helps with flat head and at a slight angle too. Bought one with our 1st child and again for the 2nd. Both sleep very comfortably.

    Posted by on 22nd Aug 2016

  4. Really right choice 5 Star Review

    My little boy is 5 month old. His head shape start changing after 2 weeks. Great product to prevent flat head.
    Only wish we had bought this sooner!

    Posted by on 19th Mar 2016

  5. A must! 5 Star Review

    I bought this mattress because my baby has developed a severe brachycephaly from sleeping on his back despite the fact that I have been using the love nest pillows since he was 2w old.
    Ever since he has been sleeping on that mattress, his head shape has improved a lot and he is sleeping much better than before. He turns his head on both sides now while he used to only turn his head to the right before.
    I hope that his head shape will round out in the next few months as I would really not like to go for the helmet option.
    I wish I had known about that product before... I only discovered that such a mattress exists by looking up solutions to prevent flat head...

    Posted by on 8th Oct 2014

  6. love this mattress 5 Star Review

    My son has a very flat head at the one side and I was recommended by my health visitor to buy this product. I am totally glad I did, my wee boy loves it. Only had it for a week but hoping we will see some improvement on his head shape soon. Only wish we had bought this sooner xx

    Posted by on 6th Oct 2014

  7. Fab mattress - made a difference already! 4 Star Review

    I bought this mattress as my 13 week old was developing a flat spot on one side of her head with a tendency to rest when sleeping with her head turned to the right. In the 2 weeks since I received the mattress I have already seen she is better able to turn her neck to the left and often sleeps with her head turned that way something she never did before. I am hopeful that the flat spot will decrease or at least not get worse!

    Posted by on 9th Jan 2014