> Is it true, that a freediver can stay under water for 4 minutes? Yes. It's true. This doesn't mean anyone can do it. > Are there techniques, or is it just t

> Is it true, that a freediver can stay under water for 4 minutes? Yes. It's true. This doesn't mean anyone can do it. > Are there techniques, or is it just training? Yes to both. One technique is to over-oxygenate yourself before diving. Another is to minimize oxygen use while on the dive, easier said than done, but possible. And four minutes isn't all that special: http://www.dailymail.co.uk/news/article-2154442/Free-diver-breaks-world-record-holding-breath-underwater-22-22-minutes.html http://www.dailymail.co.uk/news/article-2154442/Free-diver-b...