The Sigh Club blog

Breathe a little easier.

Simple breathing practices, explained kindly, with the research behind them. Pick a topic, read for five minutes, then try it.

The researchStart here

Breathwork benefits: what the research really says

The breathwork benefits with the most research behind them are modest and real: pooled trials found small to medium drops in self-reported stress, anxiety and…

12 min read
Techniques

Cyclic sighing for anxiety: does the double inhale work?

Cyclic sighing is a double inhale through the nose followed by a long, slow sigh out.

7 min read
Techniques

Box breathing: how to do it and what studies show

Box breathing means breathing in, holding, breathing out and holding again for equal counts, usually 4 seconds each.

8 min read
Sleep & calm

4-7-8 breathing for sleep: does it really work?

Nobody has shown that 4-7-8 breathing helps you fall asleep faster on the night you try it.

8 min read
Techniques

Slow breathing: does 6 breaths a minute lower stress?

Slow breathing, at around 6 breaths a minute, tends to raise heart rate variability (HRV) while you are doing it, and people in studies report feeling a bit less stressed.

8 min read
Techniques

Resonance breathing: how to find your own pace

Resonance breathing means breathing at the slow pace, typically between 4.5 and 7 breaths a minute, where your heart rate swings up and down the most with each breath.

9 min read
Sleep & calm

Breathwork for anxiety: what the research really says

Breathwork for anxiety may help a little.

7 min read
Sleep & calm

Breathwork vs meditation: which is better for stress?

In breathwork vs meditation, neither is clearly "better".

7 min read
Body & health

Breathing exercises for blood pressure: what studies found

Breathing exercises for blood pressure look promising but unproven.

8 min read
Body & health

Breathing exercises for asthma: what Cochrane found

Breathing exercises for asthma may help you feel better day to day, but they are an add-on, not a replacement.

8 min read
Body & health

Nose breathing vs mouth breathing: is taping safe?

Nose breathing is the normal way to breathe, and some small studies suggest it can be comfortable and efficient during exercise.

8 min read
Safety

Is breathwork safe? Who should check first

Is breathwork safe?

9 min read
Everyday life

Breathing exercises at work: do 2 minutes help?

Nobody has properly tested a 2-minute breathing break for teachers or desk workers, so there's no proven "dose".

8 min read
Everyday life

Breathing exercises for teens: does it help exam stress?

We don't know yet whether breathing exercises for teens lower exam stress.

7 min read
Everyday life

Breathing exercises in pregnancy: what's safe to try?

Gentle, slow breathing for relaxation is listed by the NHS as a self-help option for anxiety in pregnancy, and a large review found that relaxation methods that include…

7 min read
Myths & truths

Breathwork myths: 4 popular claims, checked

Does breathwork really work?

8 min read
For teachers

How long should a breathwork session be? 5, 10 or 20

Nobody has found the "right" length for a breathwork session.

8 min read
For teachers

Breathwork client intake form: a safety checklist template

There is no published, agreed standard for screening people before a breathwork class.

9 min read
The research

Breathwork benefits research: the evidence in one table

This page puts the breathwork benefits research in one table: what each breathing technique was tested for, who took part, and how strong the result is.

21 min read