Sandy Cheeks is nuts for hibernation on SpongeBob, but what makes it so great anyway? We explain the answers to all of your science questions. Wanna know why you yawn when someone else yawns? Or why your dog’s nose is always wet? Well with the help of your favorite characters from Henry Danger, School of Rock & Rufus – we’ve got the answers! Got any questions you want answered on the next Nicksplainer? Let us know in the comments below! Catch more animal awesomeness on Nick! #SpongeBob #HenryDanger #SchoolOfRock #GameShakers #iCarly #Rufus #TheThundermans #Nicksplainer #Nick #Nickelodeon Subscribe if you love Nickelodeon and want to see more: at.nick.com/Subscribe Nickelodeon is the number-one brand for kids with original cartoons, sitcoms, movies, award shows, products, and more! Here on our Nickelodeon YouTube channel you’ll find the shows and animated series you know and love like SpongeBob SquarePants, The Loud House, Teenage Mutant Ninja Turtles, Henry Danger, ALVINNN!!...