Questions about sleeping on your stomach

SleepLab One is designed for people who sleep on their stomach. Many customers also choose it because of neck, shoulder or back complaints, or because they struggle to breathe freely while sleeping. Not sure it suits your situation? Ask us before you order.

Almost every mattress is designed for back and side sleepers. As a stomach sleeper you have to turn your head far to one side just to breathe, and you hold that twisted position for hours.⁵ The lower back tends to sag as well, because the pelvis gets no counter-pressure.

The ergonomic face cutout lets you lie with your head straight forward instead of turned. That removes the rotation in the neck that is the main source of complaints for stomach sleepers.^4,5 Customers often report less stiffness in the neck and shoulders on waking.

The resilient cold foam core is firm enough to carry the pelvis, so the lower back does not sag and the spine stays in a neutral line.⁴ Back complaints have many causes; the mattress removes the load that comes from your sleeping position, not the load from other causes.

Because the cutout keeps space open around nose and mouth, your face is not pressed into mattress or pillow. Many customers experience calmer breathing and less snoring.^1,2 SleepLab One is not a medical device and does not replace diagnosis or treatment of conditions such as sleep apnoea, consult a doctor if in doubt.

Yes. The core supports you in other positions too; you only use the cutout when lying on your stomach. The design is optimised for people who mostly sleep on their stomach.

SleepLab One is intended for adults and young people aged 16 and over. The mattress is not suitable for children and young people under 16.

It is an ergonomically shaped opening with a soft edge in the sleep surface. You rest your head in it facing straight forward, so the neck does not have to turn and space stays open around nose and mouth. The design page shows the build-up in cross-section.

SleepLab One consists of two parts: a core of resilient cold foam and a removable Lyocell cover. The ergonomic face cutout runs through core and cover. Ergonomic cuts in the top of the core give extra support when lying on your stomach. The total height is 20 cm.

Medium-firm to firm. Stomach sleeping needs a firmer base, because a soft mattress lets the pelvis sink in and loads the lower back. The cold foam combines that support with a comfortable feel.

A core of resilient cold foam and a cover made of Lyocell, a breathable fibre that wicks moisture well and feels cool. There is no separate comfort layer; the mattress is 20 cm high in total.

The cutout is part of the core and the cover, not a loose add-on. It keeps its shape and does not shift when you change position.

Yes. Every SleepLab One comes with a made-to-measure insert that fits the cutout exactly. Slide it in and the sleep surface is flat, take it out and the cutout is open again, useful if you share the bed or sleep on your back for a while. The insert is included at no extra cost.

You can, but it closes off the cutout. That is why we supply a fitted sheet with a cutout that lines up with the opening, free with a SleepLab One for a limited time.

Expected delivery is around 3 weeks. Every mattress is produced for you after your order, including the cutout in the size you choose. You receive a track & trace code once your order ships.

Shipping within the Netherlands is free, including the fitted sheet.

We deliver within the Netherlands as standard. Living in Belgium or elsewhere in the EU? Get in touch and we will tell you what is possible.

You can pay by iDEAL, credit card (Visa and Mastercard) and PayPal. Your order is final once payment is completed and you have received the order confirmation.

SleepLab One costs €899 in every size. Sign up for our mailing and you'll receive a discount code for €200 off: €699. The code is valid once per customer, for the first 100 mattresses. On top of that, the fitted sheet with cutout is free with a mattress, also with the discount code. See the full range.

90×200, 90×210 and 90×220 cm. Need a different size, such as a double mattress? You can always request it and we will work out a solution with you.

Besides the mattress we supply the fitted sheet with cutout (€19.99). With a SleepLab One you get it free for a limited time, also when you use the discount code.

Yes. You have a 14-day cooling-off period from the day you receive the mattress. Report it via the withdrawal form, by email or with the model form in the terms and conditions. You arrange and pay for the return shipment yourself; within the Netherlands this is estimated at € 48 to € 91 including VAT.

Yes. With your own head size we cut the face opening specifically for you. The law has no right of withdrawal for made-to-measure goods, but we voluntarily give you the same 14-day cooling-off period.

By asking first. Describe your sleeping position and your complaints through the contact form and you will get an honest answer, including when SleepLab One is not the right choice for you.

Report transport damage or a manufacturing fault within 14 days of delivery through the contact form, with photos and your order number. Where a complaint is justified we repair or replace the product; your statutory rights remain fully in force.

You get a 5-year warranty on a product delivered damaged or with a manufacturing fault. Defects arising from use, such as normal wear or damage from improper use, are not covered. The full conditions are set out in our terms and conditions.

SleepLab One is only suitable for an open base, such as a slatted base. The slats let air pass along the underside of the mattress and through the face opening to mouth and nose. Do not use the mattress on a box spring, a solid platform, the floor or any other closed surface.

The Lyocell cover is removable and machine washable at 30°C. Wash it inside out and avoid fabric softener and tumble drying.

The mattress has one sleep side with the cutout, so flipping is not possible. Rotate it lengthwise every few months and air it regularly.

A new foam mattress can have a slight smell for the first few days. Leave it unpacked in a ventilated room for a few hours and the smell will fade.

Place the mattress on an open slatted base, air your bedroom daily and keep space under the bed so air can circulate.