Does paced breathing reduce hot flushes?

Early small studies found roughly a halving in frequency; later, better-controlled trials found no clear advantage over a control condition. It is free and safe and gives you something to do during a flush, and it is not an established treatment.

What helps most with hot flushes?

Hormone therapy where appropriate, and non-hormonal medication where it is not — both clinician conversations. CBT has good evidence for reducing how disruptive flushes are. Breathing practice contributes mainly through sleep and arousal.

Why are the night ones worse?

Because they fragment sleep, and the sleep loss then worsens mood, cognition and how intensely you experience the flushes. Treating the sleep is often more valuable than treating the flush.

Hot flushes and breathing: an old finding, honestly reported

It starts at the chest and goes up. At night it wakes you soaked, several times, and the sleep loss is doing more damage than the flush. You would like something to do in the ninety seconds it lasts.

Do this now

Paced breathing, at the first warning

5 minutes

At the first sensation, stop and sit if you can. Cool air, loose collar, cold water on the wrists.
Breathe in through the mouth across a curled or pursed tongue — the air feels cool as it passes.
Hold for a moment, then breathe out slowly through the nose.
Six breaths a minute for five minutes, or until it passes. Slow is the operative instruction.
If the tongue version is awkward, plain slow nasal breathing at the same rate works — the pacing is the active part.

Run it with a timer

What the older studies found

Paced respiration — slow, deliberate breathing at around six to eight breaths a minute — reduced hot flush frequency by roughly half in small controlled studies in the 1990s, and the finding was influential enough to enter clinical guidance as a behavioural option. The proposed mechanism was reduced sympathetic activation, since flushes are associated with a narrowed thermoneutral zone and sympathetic arousal.

What later, larger work found

Subsequent randomised trials with better controls were less impressive: some found paced breathing no better than a credible control condition. So the honest summary is a plausible mechanism, early promising results, and weaker confirmation. It is free, safe, gives you something to do during a flush, and it should not be presented as established.

What has stronger evidence

For flushes themselves: hormone therapy where appropriate, and non-hormonal medications for those who cannot take it — both conversations for a clinician. Cognitive behavioural therapy has good evidence for reducing how problematic flushes are and improving sleep, which is often the bigger prize. Cooler rooms, layered clothing, and reducing alcohol and spicy triggers are small and real. Breathing practice earns its place mostly through sleep and arousal.

What changes it, over a week

At every flush
Slow paced breathing at about six breaths a minute until it passes. Free, immediate, and worth testing on yourself.
Every night
Ten minutes of slow nasal breathing before sleep, cool room, layered bedding. Night sweats plus insomnia is the combination that does the damage.
Test triggers
Two weeks noting alcohol, caffeine, spicy food and room temperature against flush frequency. Personal data beats general lists.
This month
Have the conversation about hormone therapy or non-hormonal options, and ask about CBT for menopausal symptoms. Both are under-offered.

When this is not a breathing pattern

See a clinician — promptly, and before assuming any of this applies to you — if any of these describe you:

Any bleeding after menopause, or a change in bleeding pattern — needs prompt assessment
Night sweats with weight loss or fever, which are not menopausal symptoms
Palpitations with dizziness or fainting
Low mood, anxiety or cognitive symptoms that are affecting your work or relationships — these are common in perimenopause and treatable
New breathlessness or chest pain — get assessed rather than attributing it to menopause

This page is education, not medical advice, and no part of it is a diagnosis. Full disclaimer.

Questions people ask

Does paced breathing reduce hot flushes?: Early small studies found roughly a halving in frequency; later, better-controlled trials found no clear advantage over a control condition. It is free and safe and gives you something to do during a flush, and it is not an established treatment.
What helps most with hot flushes?: Hormone therapy where appropriate, and non-hormonal medication where it is not — both clinician conversations. CBT has good evidence for reducing how disruptive flushes are. Breathing practice contributes mainly through sleep and arousal.
Why are the night ones worse?: Because they fragment sleep, and the sleep loss then worsens mood, cognition and how intensely you experience the flushes. Treating the sleep is often more valuable than treating the flush.

What this page is built on

— Freedman & Woodward, 1992, American Journal of Obstetrics and Gynecology — paced respiration and hot flush frequency
— Carpenter et al., 2013, Menopause — randomised trial of paced respiration versus control, showing no significant advantage
— Hunter, 2021, Best Practice & Research Clinical Endocrinology — cognitive behavioural therapy for menopausal symptoms
— Traditional: sitali, the cooling breath, used for heat and irritability long before any of these trials

Named by author and year. The DOIs live in the journal.

Put a number on it

Most of what is on this page tracks one measurement: the Control Pause. It takes sixty seconds, needs no account, and it is the thing that tells you whether any of this is working.