I read that a simple '4-7-8' breathing trick can induce sleep in 60 seconds

Simple '4-7-8' breathing trick can induce sleep in 60 seconds.Dr Andrew Weil says it works because it allows the lungs to become fully charged with air, allowing more oxygen into the body, which promotes a state of calm

But is there any scientific evidence behind this?

  • 1
    Why not take a time-out and spend some time with the San people? "The San and Tsimane languages have no word for insomnia, and when researchers tried to explain it to them, “they still don’t seem to quite understand,” Siegel says." Commented Mar 9, 2016 at 5:56

1 Answer 1


There is no evidence:

"Despite a potential bit of miscommunication about the technique's effect on insomnia, there’s one thing I can be certain about – there doesn’t appear to be any reliable evidence that the 4-7-8 breathing method works."

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge you have read our privacy policy.

Not the answer you're looking for? Browse other questions tagged or ask your own question.