Emma Dauster: Writer Rachel Garner: Fact Checker Savannah Geary: Editor, Associate Producer Sarah Suta: Producer Caitlin Hofmeister: Executive Producer Hank Green: Executive Producer, Host Sources: www.ncbi.nlm.nih.gov/pmc/articles/PMC4188436/ pubmed.ncbi.nlm.nih.gov/12410740/ Image Sources: images.nasa.gov/details-s08-05-145 www.gettyimages.com/detail/video/sleepless-insomniac-woman-lying-in-bed-and-looking-at-stock-footage/1372399024?adppopup=true images.nasa.gov/details-234_PowerOfLight images.nasa.gov/details-iss016e013098