I have not used my machine in years. Where do I start?

With the diagnosis you already have. An existing sleep study establishes that apnea was present and roughly how severe, which is enough to begin discussing alternatives. If the study is old, or your weight or symptoms have changed substantially, repeating it may be sensible first.

Is some CPAP better than none?

Yes — more nights and longer nights are better, and partial use is not worthless. It is simply not equivalent to treated sleep, because untreated nights carry no residual protection. If consistent use is not achievable, that is an argument for finding something you will use rather than for accepting partial treatment.

Should I tell my physician I stopped?

Yes, and it is worth doing without embarrassment. It is common enough that it will not surprise them, and it matters clinically — an assumption of treated apnea affects how other conditions such as blood pressure and atrial fibrillation are interpreted and managed.

CPAP Intolerance

A large number of people diagnosed with obstructive sleep apnea are not being treated for it, and most of them own a machine. Adherence does not usually collapse in a single decision — it erodes, a night here and a trip there, until the machine is in a cupboard and the diagnosis feels historical. Recognising that pattern is the point of this page.

How adherence actually lapses

The first weeks are the hardest and are where most people are lost — mask discomfort, air leak, a dry mouth, difficulty exhaling against pressure, or a partner disturbed by the noise. What follows is rarely a decision to stop. It is a night skipped through illness or congestion, a fortnight away without the machine, a mask cushion that perished and was not replaced. Each step is reasonable in isolation, and the cumulative effect is untreated apnea with a diagnosis nobody has revisited.

Why part-time use does not deliver part of the benefit

Sleep apnea treatment does not accumulate — there is no residual protection on an untreated night. Adherence thresholds used in research, commonly four hours a night on most nights, exist because that is roughly where measurable benefit begins, and much of the night's REM sleep occurs in the later hours a short-usage night removes. Using the machine for the first few hours and removing it is a widespread pattern that leaves the most REM-heavy and often most apnoeic part of the night untreated.

What untreated apnea continues to do

The oxygen dips and sympathetic surges continue whether or not the diagnosis is being thought about. Sustained over years the association is with hypertension resistant to medication, atrial fibrillation, stroke, impaired glucose control and heart failure, alongside daytime sleepiness and a raised motor vehicle crash risk. None of this is intended as alarm — it is the reason an unused machine is worth revisiting rather than quietly accepting as a failed experiment.

Intolerance is a treatment problem, not a personal failing

People frequently describe abandoning CPAP with some embarrassment, as though they lacked discipline. Adherence rates across large studies make it clear this is a property of the therapy rather than of the patient. It also means the situation is addressable: many intolerances are solvable with a different mask, humidification or pressure settings, and where they are not, oral appliance therapy is a recognised alternative that many former CPAP users wear every night.

Common questions

I have not used my machine in years. Where do I start?: With the diagnosis you already have. An existing sleep study establishes that apnea was present and roughly how severe, which is enough to begin discussing alternatives. If the study is old, or your weight or symptoms have changed substantially, repeating it may be sensible first.
Is some CPAP better than none?: Yes — more nights and longer nights are better, and partial use is not worthless. It is simply not equivalent to treated sleep, because untreated nights carry no residual protection. If consistent use is not achievable, that is an argument for finding something you will use rather than for accepting partial treatment.
Should I tell my physician I stopped?: Yes, and it is worth doing without embarrassment. It is common enough that it will not surprise them, and it matters clinically — an assumption of treated apnea affects how other conditions such as blood pressure and atrial fibrillation are interpreted and managed.

Not sure where to start?

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