A side sleeper needs a pillow that fills the space between the head and mattress and supports the neck even when compressed. The right height depends on shoulder width and mattress softness. This guide compares materials and gives you practical ways to assess a pillow in your own bed.
Why is pillow height so important for side sleepers?
When you lie on your side, your shoulder creates a space between your head and the mattress. The pillow should fill it so the neck rests in line with the spine. If it is too low, the head tilts downwards; too high, and the head tilts upwards. Either position can place the neck under strain.
The right height depends on your build, particularly shoulder width. Broader shoulders generally call for a higher pillow than narrower shoulders. Mattress softness matters too: the more your shoulder sinks into the mattress, the less pillow height you may need. That is why a recommendation is only a starting point; the pillow must suit both your body and your bed.
Try lying on both sides
If you change sides during the night, try the pillow on both your right and left side. Notice whether your arm has a comfortable resting place and whether the pillow is easy to reposition as you turn. Use a mattress and pillowcase similar to those at home for a relevant comparison.
What makes a good side-sleeper pillow? Choosing the material
Height matters, but material and construction determine how well the pillow maintains support through the night. It should be supportive enough not to flatten excessively beneath your head. Even a soft pillow can work if its filling and shape provide the support you need.
Fibre pillows: a supportive, easy-care choice
A fibre pillow is a familiar, easy-care option. Synthetic microfibre can recreate down's airiness while remaining easy to shape. Favoured by luxury hotels, the Hotel Luxus 1000 g is a high and supportive model in the 50×60 cm range, while still feeling soft. It particularly suits side sleepers looking for generous loft and height.
For those who prefer a very thick and firm pillow, the new Hotel Luxus 1300 g pillow is the thickest standard-size option in the range (50 × 60 cm). This extra-high microfibre pillow has gold piping. It may suit a broad-shouldered side sleeper, for example; the right height also depends on mattress give and personal comfort. When choosing a good pillow for a man, use the same criteria: shoulder width, sleeping position and preferences matter; gender alone does not determine the right height.
Hotel Luxus fibre pillows are allergy-friendly and machine washable at 60 °C. The range includes several heights and filling weights. Try your chosen model on your own mattress: a shoulder that sinks into a soft mattress may need less pillow height than one resting on a firm mattress.
Down pillows: luxurious softness and shapeability
Down is a luxuriously soft, airy material. A very soft down pillow may, however, compress too much for side sleeping. Filling weight and chamber construction affect suitability, so always assess support while resting your head on the pillow.
A layered down pillow may suit a side sleeper: a feather-rich inner chamber provides support while softer outer chambers finish the feel. Check the construction of each product, as this does not apply to every down or silk pillow. Down can be fluffed and shaped, but the pillow still needs to maintain enough height under your head.
Ergonomic pillows: shaped support for the neck and shoulders
If you want carefully shaped neck support, an ergonomic pillow may be a good option. Many contain memory foam, also called viscoelastic foam, which responds to warmth and pressure. Foams vary in softness and recovery speed, so the material name alone does not describe the full experience.
A shaped pillow supports the neck's curve when its height and shape suit the sleeper. A Pillowise pillow is selected using individual measurements and the manufacturer's measuring guide. A new pillow can take a few nights to get used to, but it should also feel natural when you change position. Check care instructions too: with Pillowise, the cover is washable, but the foam core is not.
Body pillows: extra support for the whole body
A body pillow can provide additional support for the knees and upper body. In a side-lying position, the upper leg can pull the pelvis forwards. Placing a body pillow between the knees helps keep the legs comfortably separated and makes it easier to find a stable resting position.
You can also hug a body pillow to support the upper arm and reduce the need to turn the upper body forwards. This extra support may feel comfortable during pregnancy too. Choose a shape and size that support the areas you want without taking up too much space in bed.
How can you tell whether your current pillow fits?
Unsure whether your pillow suits you? Start by asking someone to look at your position from behind. Lie comfortably on your side and check that the neck follows a natural line with the rest of your spine, rather than tilting up or down.
A wall test can give a rough idea of height, but it does not account for mattress softness or pillow compression in the same way as lying down. Make your final assessment on your own mattress. Try changing position too: does the pillow feel comfortable on your side and in the other positions you usually sleep in?
A suitable side-sleeper pillow provides enough height and support without feeling too hard or pushing your head upwards. Whether you choose fibre, down or a shaped ergonomic design, the combination matters: your body, your mattress and how the pillow compresses in use.
Frequently asked questions
How often should a pillow be replaced?
Replacement depends on the pillow's material, use and care. Check its condition regularly: does it flatten too much, stay lumpy, or retain odours or dirt? Follow the washing instructions and use a protector. Dream On, for example, protects the pillow against sweat, cosmetics, liquids and dust mites.
I put my hands under my pillow. Is it too low?
It may mean you need more height or support, although it can also be a habit. Try a slightly higher or more supportive pillow and assess your neck position on your own mattress. The aim is for your hands to rest comfortably without having to support your head.
Can one pillow suit both side and back sleeping?
Yes, if the height and shape suit you in both positions. The height you need on your side may be excessive on your back, so try both. Mouldable fibre or a suitably sized ergonomic model may offer a workable compromise. Mattress softness and your own measurements influence the choice.
How do you get used to an ergonomic pillow?
Try the pillow over a few nights and assess its height in your usual sleeping position. A new feel may take some adjustment, but you do not need to tolerate pain. If the position remains uncomfortable, reassess the height and shape. Persistent or worsening neck pain should be discussed with a healthcare professional.
Explore our pillow options in person
Visit our Helsinki showroom to explore almost our entire product range. See showroom details and arrange your visit. Contact us using our form for help finding options that suit your needs.
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