If you happen to like our videos and have a few bucks to spare to support our efforts, check out our→→Subscribe for new videos every day! https://www.youtube.com/user/TodayIFoundOut?sub_confirmation=1 Never run out of things to say at the water cooler with TodayIFoundOut! Brand new videos 7 days a week! More from TodayIFoundOut How Do Astronauts Scratch an Itch When in Their Space Suits https://youtu.be/poGnGIbHprU How do Astronauts go to the Bathroom in Space? https://youtu.be/wtd7Fd83i58 In this video: Nobody is really quite sure how the tradition of waking up NASA astronauts with pieces of music got started; NASA itself only notes that “Wake-up calls are a long-standing NASA tradition. Want the text version?: http://www.todayifoundout.com/index.php/2017/03/nasas-curious-tradition-playing-soothing-music-astronauts/ Sources: https://www.nasa.gov/returntoflight/crew/sts114_wakeup_calls.html https://history.nasa.gov/wakeup%20calls.pdf https://history.nasa.gov/wakeup.htm https://www.pri.org/stories/2015-04-17/decades-nasa-has-woken-its-astronauts-music https://www.issfanclub.com/node/28241 https://www.nasa.gov/vision/space/features/wakeup_calls.html http://www.space.com/12360-astronaut-wakeup-songs-space-shuttle-retirement.html http://mentalfloss.com/article/31156/11-eye-opening-nasa-wakeup-calls https://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts135/135_wakeup.html https://web.archive.org/web/20071215070630/http://www.rollingstone.com/rockdaily/index.php/2007/07/02/the-20-most-annoying-songs/ Image Credit: https://commons.wikimedia.org/wiki/File:Gemini_6_prime_crew.jpg https://commons.wikimedia.org/wiki/File:GeminiPatch.png https://commons.wikimedia.org/wiki/File:Schlegel_CAPCOM.jpg https://en.wikipedia.org/wiki/File:STS-123_Patch.svg https://commons.wikimedia.org/wiki/File:Doi.jpg https://www.flickr.com/photos/stevetroughton/16889877817 https://commons.wikimedia.org/wiki/File:Star_Trek_William_Shatner.JP