Trusted News Discovery Since 2008
{{/content}}
These Jaw-Dropping Images Show Sperm Whales Sleeping Vertically
Video Credit: AmazeLab
Published on April 20, 2021 - Duration: 00:58s
These Jaw-Dropping Images Show Sperm Whales Sleeping Vertically
Scientists thought sperm whales slept a lot like dolphins until 2008, when researchers discovered they actually catch some zzz’s upright!