Bedding, pillows, cushions: what do you really need for a good night's sleep?

Facing the bedding aisle, you quickly feel lost. Memory foam, density, firmness, ergonomic pillow: the promises all sound alike. Yet, behind the marketing, a few simple principles are enough to make the right choices. Because sleeping well doesn't depend on the number of accessories, but on their ability to keep your body aligned. Here's what really matters, without unnecessary jargon.

The real role of bedding: keeping your body aligned

Before talking about materials, let's understand the goal. During the night, your spine needs to remain in its natural axis, just as when you're standing with good posture. When this alignment is respected, your muscles relax and recover. When it isn't, they stay tense, and you wake up stiff.

Everything else follows from this principle. A good mattress, a good pillow, a good cushion serve only one purpose: to keep your head, neck, back and pelvis in a harmonious line. And since we don't all sleep in the same position, needs vary.

It's worth noting that an adult moves on average several dozen times per night. Even if you mostly sleep on your side, you also spend a bit of time on your back. Your bedding must therefore adapt to these movements.

The mattress: the foundation of everything

The mattress is the foundation. If it's unsuitable, no pillow can compensate. A good mattress must offer a balance: enough support so as not to sag, enough softness to follow the curves of your body.

For people who sleep on their side, this point is particularly important. Your shoulders and hips need to be able to sink slightly, otherwise pressure concentrates on these areas. A mattress with a soft surface and firmer support is often well suited to this position.

If your mattress is several years old, sags in the middle, or you wake up with pains, it might be time to think about it. It's the foundational investment, the one that determines everything else.

The pillow: the detail that changes everything for side sleepers

The pillow is often relegated to second place. That's a mistake. For someone who sleeps on their side, it plays a decisive role.

When you're lying on your side, a space is created between your head and the mattress, due to the width of your shoulder. The role of the pillow is precisely to fill this space. If it's too flat, your head tilts downward. If it's too thick, your neck arches upward. In both cases, tensions appear.

What height and firmness to choose?

For a side sleeper, the pillow should be sufficiently thick and rather firm. Generally, a height of around twelve to fifteen centimeters is recommended, but this depends on your build: the wider your shoulders, the thicker the pillow should be.

Memory foam is often cited as an excellent choice for this position. It molds to the shape of the head and neck, and maintains good alignment with the spine. As for density, it's better to prioritize good durability over time: a pillow that sags quickly loses its usefulness.

If you regularly wake up with pain in your neck or shoulders, your pillow is one of the first things to reconsider.

The cushion between the knees: the often forgotten link

We think of the head, we think of the back, but we almost always forget the lower body. Yet, when you sleep on your side, your legs also have a say.

Without support, the top leg tends to slide forward. This movement causes a rotation of the pelvis, which echoes down to the lower back. It's a frequent source of lumbar tension and hip pain upon waking, without one always identifying the cause.

The solution is simple: place a cushion between your knees. It keeps the hips aligned, in line with the spine, and reduces pressure on the lower back. It's a practice that many bedding specialists recommend for side sleepers, as highlighted for example in this guide on sleeping on the side.

Why a dedicated cushion rather than a classic pillow

You could of course slip an old pillow between your knees. The problem is that it gets crushed, slides during the night and often ends up falling. You then wake up to reposition it, which fragments your sleep.

This is where the Pillova alignment cushion makes the difference. Specifically designed to fit between the knees, it keeps a stable shape thanks to its memory foam with controlled density, which doesn't sag. Its adjustable strap holds it in place throughout the night, even if you change position. And its removable, washable cover makes everyday maintenance easy.

Designed for people who sleep on their side, particularly women, it aligns the pelvis and spine, relieves pressure on the hips and soothes the lower back. It also proves useful during pregnancy, sciatica or hip pain. It's a natural complement to a good mattress and a good pillow, to complete alignment from head to knees.

Let's remember that it is a wellness accessory, not a medical device. In case of persistent pain, the advice of a healthcare professional remains essential.

Do you really need to change everything?

Good news: no. There's no need to buy everything new all at once. The most sensible approach is to start from your symptoms.

If you have pain in your neck or shoulders, start with the pillow. If you have pain in your lower back or hips when sleeping on your side, a cushion between the knees can make a real difference for a modest investment. And if you sink into a hollow or have general pains, it's probably the mattress you need to consider.

Each element has its role. The important thing is to aim for complete alignment, from head to toe.