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Pastimes : Our Animal Friends

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From: TimF	5/2/2020 2:53:40 PM
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Sperm whales sleeping vertically "Suspended Grace" paulnicklen.com ""The whales were found to spend seven percent of their day in these vertical sleeping positions near the surface of the water, where they napped from 10 to 15 minutes. Researchers suggested at the time that they might be one of the world's least sleep-dependent animals"" Source: National Geographic reddit.com

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