Simon Borg-Olivier slowing his heart beat from 88 to 32 beats per minute in 45 seconds

This video was shot in the Bahamas in October 2009. It shows Simon Borg-Olivier slowing his heart beat from 88 to 32 beats per minute in 45 seconds. Thanks to Freediving world record holder William Truebridge for teaching the technique, and thanks to static apneoa national record holder Glenn Venghaus for use of his heart monitoring equipment and his learned advice. For further information on how to use this type of information in yoga please see and