Richard P. Brown and Patricia Gerbarg, The Healing Power of the Breath book and CD set. Print and e-book available on Amazon.com. Copies are available for loan from the Westchester Library System and can be purchased at Interest Group sessions.
Located here are several articles provided by Dr. Gerbarg and Dr. Brown for thos who wish to explore the underlying science.
2 Bells Chimes (25 minutes of 5 breaths/minute) Available on Amazon (Prime) Music app, Apple Music app, Spotify app. To locate 2 bells track: Search for the album “Respire 1 Coherence.” You can also go to the website – https://coherentbreathing.com/ – to purchase the full album.
There are a number of apps available for iOS and Android to time breathing. Two examples are below.:
Breathing Zone ($2.99) – Can set the breath rate, different sounds (for iPhones only)
Breath2Relax – Has visual as well as auditory prompts, can adjust breath rate; only does 16 cycles (about 3 minutes)
If you have an AppleWatch, the Breathe app can be adjusted from 4 to 10 breaths per minute.