The Old Guard

A new study may shed light on why teenagers sleep late while grandparents are often up at the crack of dawn. Fifty years ago, psychologist Frederick Snyder proposed that animals who live in groups stay vigilant during sleep, by having some stay awake while others rest. However, no one had tested this sentinel hypothesis in humans until now. Jeff and Anthony discuss the findings and test the theory in their own lives. GET BONUS EPISODES, VIDEO HANGOUTS AND MORE. VISIT: http://patreon.com/wehaveconcerns Get all your sweet We Have Concerns merch by swinging by http://wehaveconcerns.com/shop Hey! If you’re enjoying the show, please take a moment to rate/review it on whatever service you use to listen. Here’s the iTunes link: http://bit.ly/wehaveconcerns And here’s the Stitcher link: http://bit.ly/stitcherwhconcerns Or, you can send us mail! Our address: We Have Concerns c/o WORLD CRIME LEAGUE 1920 Hillhurst Ave #425 Los Angeles, CA 90027-2706 Jeff on Twitter: http://twitter.com/jeffcannata Anthony on Twitter: http://twitter.com/acarboni Today’s story was sent in by Katherine Tuck: https://www.newscientist.com/article/2140394-sleeping-less-in-old-age-may-be-adaptation-to-survive-in-wild/#link_time=1499849804 If you’ve seen a story you think belongs on the show, send it to [email protected], post in on our Facebook Group https://www.facebook.com/groups/WeHaveConcerns/ or leave it on the subreddit:http://reddit.com/r/wehaveconcerns Support the show and get bonus episodes, videos, Discord community access and more! http://patreon.com/wehaveconcerns Jeff on Blue Sky: https://bsky.app/profile/jeffcannata.bsky.social Anthony on Blue Sky: https://bsky.app/profile/acarboni.bsky.social