Grizzly bears are often imagined as fearsome beasts, better known for their brawn than their brain. A brief study of their hibernating habits, however, would suggest a smarter, more strategic creature. Grizzlies go underground into cozy dens and hibernate for up to seven months in a year. During hibernation, they become hyper-efficient; their respiration decreases from six to ten breaths every minute to just one breath every forty-five seconds. They do not eat, drink, urinate, or defecate during hibernation, living off a layer of fat built up during the summer and autumn months.
Read more at http://www.managementtoday.co.uk/entrepreneurs-need-time-think/article/1384999#K5tAeUMfm8vkAQZ3.99

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