Elephant Seals Get By On Two Hours Sleep, UnderwaterThis entry was posted in Classifieds on 04/28/2023 The world record for the least sleep in a day among mammals goes to elephant seals, according to new research. … Share on X (Opens in new window) X Share on Telegram (Opens in new window) Telegram Share on WhatsApp (Opens in new window) WhatsApp Share on Facebook (Opens in new window) Facebook Share on Nextdoor (Opens in new window) Nextdoor Share on Mastodon (Opens in new window) Mastodon