The Wild Reasons Many Older People Wake Up So Early

You might think your grandma who wakes up at 4am just needs less sleep than younger people. Not so Studies suggest there are some bizarre reasons older people rise at the crack of dawn, including something called brain sand Hosted by: Hank Green SciShow has a spinoff podcast It s called SciShow Tangents. Check it out at Support SciShow by becoming a patron on Patreon: Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Kevin Bealer, Jacob, KatieMarie Magnone, D. A. Noe, Charles Southerland, Christopher R Boucher, Alex Hackman, Matt Curls, Adam Brainard, Scott Satovsky Jr, Sam Buck, Avi Yashchin, Ron Kakar, Chris Peters, Kevin Carpentier, Patrick D. Ashmore, Piya Shedden, Sam Lutfi, charles george, Greg Looking for SciShow elsewhere on the internet Facebook: Twitter: Tumblr: Instagram: Sources: