Do Fish Sleep?

Check out my other channel TopTenz!    / toptenznet   →Some of our favorites:    • Featured   →Subscribe for new videos every day! https://www.youtube.com/user/TodayIFo... Follow Simon on social media:   / simonwhistler     / simonwhistler   Never run out of things to say at the water cooler with TodayIFoundOut! Brand new videos 7 days a week! More from TodayIFoundOut: Why Week: Why Do Fish Float Upside Down When They Die?    • Why Week: Why Do Fish Float Upside Do...   Did Mobsters Ever Really Send People to 'Sleep with the Fishes'?    • Did Mobsters Ever Really Send People ...   In this video: Sleep has a simple definition that includes closed eyelids and a particular brainwave pattern in the neocortex; as a result, it’s relatively easy for researchers to determine when a person, another mammal or a bird is asleep. Want the text version?: http://www.todayifoundout.com/index.p... Sources: http://www.ncbi.nlm.nih.gov/pmc/artic... http://www.livescience.com/32162-do-f... http://oceanservice.noaa.gov/facts/fi... http://www.newton.dep.anl.gov/askasci... http://www.nyu.edu/about/news-publica... http://www.huffingtonpost.com/2015/02... http://www.ncbi.nlm.nih.gov/pmc/artic... http://www.prnewswire.com/news-releas... http://en.wikipedia.org/wiki/Sleep_in... http://www.ncbi.nlm.nih.gov/pmc/artic...