Clinical Sleep & Posture Report / Sleep Health · Airway · Ergonomics

Chiropractor Explains the Overlooked Night-Time Posture Mistake That Narrows the Airway, and Why the Wrong Pillow Height Quietly Makes Snoring Worse

It isn't always your nose or your weight. For a large group of snorers, the trigger sits under their head, and it's adjustable.

Reviewed by Dr. Megan Harlow, DC. Published under editorial health-review guidelines.

June 2025 Sleep Health / Airway / Ergonomics Reading time: 6 minutes

Chiropractor-reviewed OEKO-TEX Standard 100 Updated June 2025

If you snore, or you lie awake next to someone who does, you have almost certainly been told the causes: nasal congestion, a glass of wine too many, extra weight, "just how some people sleep." Dr. Megan Harlow, a chiropractor who works daily with cervical alignment, says one of the most common contributors is also the most ignored, because it is hidden in plain sight, under the head, every single night.

"When the pillow is the wrong height, the head tips out of a neutral line. Too high and the chin is pushed down toward the chest. Too flat and the head drops back. Either way, you're changing the angle of the throat, and that angle is exactly what decides how easily air moves through it while the muscles are relaxed in sleep."

The Mechanism, Explained the Way a Clinician Sees It

To understand why posture matters here, picture the airway as a soft tube running down the back of the throat. Awake, the muscles around it hold it open without you thinking about it. Asleep, those muscles relax, and the shape you have placed the neck in is suddenly doing a lot of the work.

When the chin drops toward the chest, that soft tube kinks and narrows, like bending a garden hose. Air has to squeeze through a smaller space, and as it does, it drags across the relaxed soft tissue at the back of the throat and makes it vibrate. That vibration is the sound. That is snoring, in its simplest mechanical form.

"This is why the same person can snore like a chainsaw one night and be quiet the next," Harlow notes. "It often comes down to the position their head happened to land in, and the pillow underneath it is the single biggest factor deciding that position."

Sustained across a whole night, the effect is not just noise. The narrowed airway means lighter, more fragmented sleep for the snorer, and, as anyone who shares the bed knows, a broken night for the person beside them too.

Why the Usual Fixes Disappoint, and Why It Isn't Your Fault

Most people who snore have already spent money trying to stop. Harlow hears the same list constantly.

Nasal strips and sprays

They open the nose, but most snoring is generated further down, at the throat. Wrong floor of the building.

Mouth tape

Forces nasal breathing but does nothing about the neck angle that narrowed the airway in the first place.

Chin straps and gadgets

Uncomfortable enough that most people abandon them within a week.

Anti-snore and wedge pillows

Right instinct, posture, but one fixed shape and height. If it doesn't match your body, it sets a new wrong angle.

"None of these are foolish purchases," Harlow says. "They're reasonable attempts at a real problem. They fail for one shared reason: they either ignore posture entirely, or they offer a single fixed posture and hope it fits you. Airway angle is individual. A fixed solution can't meet an individual measurement."

The point she wants people to take from this is not another product promise. It is relief from self-blame: if strips, tape and stiff pillows didn't work, it was very likely because none of them let you set the one thing that actually governs the angle of your throat at night, the height of your head.

The Mechanism She Points Patients Toward: Adjustable Height

Once the problem is framed as an angle problem, the solution she describes is straightforward: a pillow whose height you can actually set to your own body, and change if it's wrong.

This is the logic behind adjustable-layer pillows such as the SORA Adjust. Rather than a single fixed loft, it is built from three solid foam layers inside a zip cover, a contouring top layer, a softer middle, and a stabilising gel-infused base. You add, remove or reorder them in under thirty seconds to reach four set heights. Because the layers are solid rather than loose fill, the height you choose holds through the night instead of collapsing by 3am and letting your head sag back into a poor angle.

Four set heights, one pillow

2 in

2.8 in

4 in

4.7 in

Three solid foam layers you add, remove or reorder in under thirty seconds. Set at 5, 7, 10 or 12 cm.

Here is how Harlow frames each piece for her patients, in plain cause-and-effect.

THE PAIN

You or your partner wake up exhausted from a night of broken, noisy sleep.

KNOCK-ON

Irritability, resentment, sometimes separate rooms.

FEATURE

An adjustable loft you tune until the head sits in a neutral line, chin neither jammed down nor tipped back.

BENEFIT

The throat is held in its most open, unkinked posture the design allows, the position least likely to make relaxed tissue vibrate.

"I'm not telling anyone a pillow is a cure," she is careful to add. "I'm telling them that neutral neck posture is worth getting right, and that for a lot of people it has never actually been adjustable before."

The Honest Boundary. Read This Part.

Harlow is firm about what this is and isn't. "A pillow is a supportive sleep product, not a medical device. It can help you hold a better sleeping posture. It does not treat or cure snoring, and it absolutely does not treat sleep apnea."

When to see a doctor

Obstructive sleep apnea, where breathing actually stops and starts, is a medical condition that requires a doctor, and no pillow is a substitute for that assessment. "If you gasp awake, stop breathing, or feel exhausted no matter how long you sleep, see a physician," she says. "Don't buy a pillow. Get assessed."

That distinction matters. Simple positional snoring, the kind that changes with how you're lying, is a posture issue, and posture is something you can influence. For the far larger group whose snoring tracks with position, the case she makes is modest and honest: get your neck into a neutral line, keep it there all night with a height that actually fits you, and give the airway the most open posture it can have while you sleep.

For Readers Who Want to Try the Approach

Three foam layers inside the SORA Adjust

The SORA Adjust is available on Amazon and directly from the manufacturer with free shipping. It is OEKO-TEX Standard 100 certified on every component, the cover is machine-washable, and the design has been reviewed by Dr. Harlow for its adjustable, neutral-alignment approach.

Because getting the angle right is personal and takes a few nights of dialling in, it comes with a 30-night, risk-free trial and a full money-back guarantee. You set all four heights across a full month, on your own bed, and if it doesn't earn its place under your head, or quiet the room, you send it back for a full refund. The risk sits with the maker, not with you.