Positional Therapy

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Positional therapy treats positional sleep apnea: apnea occurring mainly when sleeping on the back. For 30-50% of apnea patients, switching to side sleeping drastically reduces apneas (sometimes to zero). The Night Shift Sleep Positioner trains the body to sleep on the side via gentle vibration.

Complementary or alternative solution to CPAP depending on severity.

Our catalog Positional Therapy

Positional apnea is a specific form of sleep apnea where more than 50% of apneas occur in supine position. It's a common situation: clinical studies show 30-50% of apnea patients have a significant positional component.

For these patients, sleeping on the side or stomach drastically reduces the number of apneas (often below the AHI < 5 pathological threshold). This is one of the few sleep apnea forms where nighttime behavior change can replace or complement CPAP.

When to suspect positional apnea?

  • Polysomnography: your report mentions a supine AHI significantly higher than lateral AHI. E.g., AHI 25/h on back vs 5/h on side.
  • Partner reports: loud snoring only when on back, much quieter on side.
  • Mixed symptoms: marked daytime fatigue some mornings (back nights) and much less others (side nights).
  • Mild to moderate apnea (overall AHI 5-30/h): in this range positional component is most decisive. Above 30, CPAP usually remains essential.

Ask your doctor to share the supine vs lateral AHI from your last polysomnography. It's the key indicator to evaluate whether positional therapy can suit you.

Night Shift Sleep Positioner — how it works

The Night Shift is a compact device worn on the nape (discreet collar). It detects body position in real time via an accelerometer.

  • When you turn on your back: Night Shift emits a gentle progressive vibration (starts imperceptible, increases if you stay supine).
  • Without waking you: vibration "triggers" the side-rolling reflex, like a partner gently pushing you. No sleep interruption in 95% of cases.
  • Progressive learning: over 2-4 weeks, the body learns to avoid supine position, and use can become rarer.

Night Shift also provides nightly data via an app: time in supine position, detected snoring, sleep quality. Excellent monitoring tool to adjust with your doctor.

Observed clinical benefits

Clinical studies (especially those by Advanced Brain Monitoring, the manufacturer) show:

  • 70-80% reduction in supine time from the first week.
  • 50-70% drop in overall AHI in patients with marked positional component.
  • Snoring improvement reported by partners in 80% of cases.
  • Wearing comfort: 90% of users adapt within a week, forget the device at night.

Positional therapy vs CPAP — what to choose?

  • Pure positional apnea (mild/moderate, high supine AHI, normal lateral AHI): positional therapy alone can suffice and replace CPAP.
  • Mixed apnea with positional component: positional therapy in addition to CPAP reduces required pressure and improves comfort.
  • Severe apnea without positional component (AHI > 30, similar in all positions): CPAP remains essential. Positional therapy has little impact.
  • During travel: useful for those traveling without CPAP for 1-2 nights, as a complement, to limit sleep degradation.

Important: never stop CPAP without medical approval, even if positional therapy seems effective. A new polysomnography under Night Shift validates any potential CPAP discontinuation scientifically.

Compatibility with other treatments

Night Shift is compatible with:

  • CPAP: simultaneous use no problem, the nape device doesn't interfere with the mask.
  • Mandibular advancement device: also compatible.
  • Inspire implants (hypoglossal stimulation): compatibility to confirm with your surgeon depending on model.

See also: sleep apnea guide, positional apnea.

Frequently asked questions about positional therapy

You very likely are if your supine AHI (apneas while sleeping on back) is at least 2x higher than your lateral AHI. Ask your doctor for these two figures from your polysomnography. 30-50% of apnea patients have this positional component. Mild to moderate apneas (AHI 5-30) are most likely to be positional.

Sometimes yes, sometimes no. Pure positional apnea (very high supine AHI, normal lateral): positional therapy alone can suffice and replace CPAP. Mixed or severe apnea: positional therapy doesn't replace CPAP but can complement it by reducing required pressure. Always discuss with your doctor before any change, and verify with a new polysomnography under Night Shift.

Night Shift is a small device worn on the nape. An accelerometer detects your position. When you turn on your back, it emits a gentle progressive vibration triggering the reflex to return to side, without waking you. Over 2-4 weeks, the body learns to automatically avoid supine position. The companion app provides detailed data (supine time, snoring, sleep quality).

No, in 95% of cases, vibration acts as a subconscious signal triggering the side return without sleep break. Vibration starts very gentle and only increases if you stay supine. Comparable to a partner gently pushing you. The 5% feeling a slight wake-up early on adapt in 1-2 weeks. Overall sleep quality improves as apneas drop.

Immediate effects from first night for supine time reduction (average 70-80% reduction). For apnea reduction and symptom improvement (fatigue, snoring, daytime energy), count 2-4 weeks. The body progressively "learns" to avoid supine position, and after 1-3 months some users wear the device less as the reflex becomes automatic.

Yes, fully. Night Shift is worn on the nape, doesn't interfere at all with CPAP mask. This combination is even recommended for mixed apnea patients: CPAP treats lateral residual apneas, and Night Shift eliminates supine apneas. Result: minimum possible CPAP pressure, better comfort, residual AHI often < 1/h.

Low-tech solutions: tennis ball sewn into a sock worn on the back (variable effectiveness, uncomfortable, users often quit), positional vests with back foam (effective but bulky). High-tech solutions: Night Shift is today the reference, clinically validated device. A few alternatives exist (Somnibel, Snorlax) but Night Shift remains the most complete in data and reliability.

In Belgium and France, Night Shift is not reimbursed by INAMI/Social Security. It's a direct purchase. One-time investment of €350-450 depending on retailer, device life 3-5 years, rechargeable battery. Annualized cost €80-100/year for potentially major apnea reduction. Much cheaper than CPAP long-term if positional therapy suffices.

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