Sleep Apnea in Women
The screening tools were built around symptoms men report. Women present differently, so the questionnaires perform worse on them — and a 2026 review says so directly.
Obstructive sleep apnea is more common in men, and that fact has shaped the tools used to find it — with the result that women with the condition are systematically harder to detect using the standard screens.
This is not a controversial claim. A 2026 review states it plainly: current screening tools are predominantly based on symptoms of men, resulting in underdiagnosis of sleep apnea among women (Chest, 2026).
Why the screens miss women
The classic presentation the questionnaires ask about is loud snoring, witnessed breathing pauses and daytime sleepiness, usually in a middle-aged man with a large neck.
Women more often present with fatigue rather than sleepiness, insomnia and difficulty staying asleep, morning headache, low mood and anxiety. Those map poorly onto instruments built around the classic picture, and they map extremely well onto explanations that get reached for first — depression, anxiety, stress, thyroid problems, or "just being tired."
Two further problems compound it.
Witnessed apneas require a witness. The classic symptom is reported by a bed partner, and both under-reporting and living alone reduce the chance of it surfacing.
Neck circumference thresholds were derived on male populations. A woman with clinically significant apnea may sit comfortably under a cutoff designed around men.
The result is a specific failure mode: a woman with genuine apnea answers the questionnaire honestly, scores low, and is not referred.
Menopause changes the picture
The sex gap narrows substantially after menopause, and the reason is physiological rather than incidental.
Progesterone and oestrogen are involved in stabilising breathing, and their decline contributes to changes in respiratory function and to breathing difficulties during sleep [Chest 2026]. Progesterone is a respiratory stimulant that also increases upper airway dilator muscle activity — losing it removes a protective effect.
The review adds two things worth knowing:
Risk rises after menopause in concert with chronological ageing — both reproductive and chronological ageing increase risk, through distinct physiological and hormonal pathways [Chest 2026].
Earlier menopause matters. Women entering menopause at an earlier age, whether naturally or surgically through bilateral oophorectomy, are particularly susceptible, which the authors take as evidence of a relationship between ovarian function and sleep apnea [Chest 2026].
That last point is genuinely actionable. Surgical menopause — oophorectomy, often decades before natural menopause would have occurred — is a specific risk factor that rarely gets mentioned in that context.
Measured data supports the direction: apnoea-hypopnoea index was 31% higher in postmenopause than premenopause, independent of ageing and body habitus (Mirer et al., Menopause, 2017). Perimenopause and snoring · After menopause.
The diagnostic trap
Here is the problem in its sharpest form: every symptom of untreated sleep apnea in a midlife woman is also an expected symptom of the menopausal transition. Fatigue, poor concentration, low mood, waking at night, unrefreshing sleep.
So both the patient and the clinician have a ready explanation that fits, and testing does not get ordered. The condition is not missed through carelessness; it is missed because a plausible alternative is sitting right there.
Two things cut through it:
New snoring is the symptom that does not belong to the menopause explanation. If you have started snoring, say so explicitly — it is the detail most likely to change the conversation.
The rest-day test. Fatigue from hormonal change or insufficient sleep improves with a holiday. Untreated apnea does not. If a week off does not touch it, that is worth reporting as a distinct fact.
During pregnancy
A separate and important case, because the risk profile is different and time-limited.
Snoring that begins during pregnancy — as opposed to snoring that predated it — is independently associated with gestational hypertension and preeclampsia. New-onset snoring in pregnancy is worth raising at an antenatal appointment rather than waiting out. Third trimester snoring · Is snoring a sign of pregnancy.
Getting assessed
Lead with the facts that score on the instruments, because that is what triggers referral: snoring, any witnessed pauses, gasping or choking awake, morning headaches, and sleepiness distinct from tiredness.
Then add what the instruments miss: unrefreshing sleep regardless of hours, insomnia with early waking, fatigue that a holiday does not fix, and hard-to-control blood pressure.
Say if you are postmenopausal, and say if menopause came early or surgically. Both are relevant and neither is on a standard questionnaire.
Push back on a borderline result. Around half of people change severity class between sequential diagnostic nights, so a study landing just under a threshold in someone with clear symptoms is weak grounds for stopping. How to read your sleep study · What to tell the sleep doctor.
The review's own conclusion is that sex differences in symptoms and risk factors highlight the need for new screening tools tailored for women, accounting for reproductive stage [Chest 2026]. Until those exist, the workaround is knowing which of your symptoms the current tools do not ask about.
The line
No consumer product treats obstructive sleep apnea, and that matters more in a group already prone to having the condition missed. Quietening snoring with tape or a strip removes the one symptom most likely to prompt a referral. Snoring versus sleep apnea · Risk check.