Photographer Franco Banfi has skillfully captured a rare scene of a pod of ten 40-ft sperm whales sleeping vertically, shedding light on the intriguing question of whether sperm whales sleep and how they do so.
The first documented recording of sleeping sperm whales on film occurred in 2008, thanks to a chance encounter by a group of scientists from Japan and Great Britain who observed a herd of sperm whales completely motionless in an upright position.
Further research revealed that sperm whales spend approximately 7% of their lives in a state of sleep, with short intervals lasting from 6 to 24 minutes. Diver Sabrina Belloni served as the scuba diver-model in the photographs, providing a unique perspective on the size and grace of these incredible sea creatures.
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