To keep calm through the terrifying night, Adani did deep-breathing exercises that are part of his daily yoga regimen.

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These could consist of three- to seven-minute deep-breathing exercises for relaxation, a calming walk or other pursuits that lend meaning or perspective.

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Drawing on the meditative traditions of Buddhism and Taoism, combined with deep-breathing and martial-arts exercises, it may seem somewhat cranky to non-adherents, and no doubt it has attracted its share of charlatans and crooks.

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There is certainly no shortage of stress relievers and in addition to the above, various progressive muscular relaxation exercises, autogenic training, deep breathing, massage therapies, visual imagery and self-hypnosis practices are popular.

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