AllNews'Birds Sleep While Flying' - 1 News Result(s)Birds Can Sleep In Flight, Shows StudyWorld News | Indo-Asian News Service | Thursday August 4, 2016 Researchers have discovered that birds can sleep in flight without colliding with obstacles or falling from the sky. www.ndtv.com'Birds Sleep While Flying' - 1 News Result(s)Birds Can Sleep In Flight, Shows StudyWorld News | Indo-Asian News Service | Thursday August 4, 2016 Researchers have discovered that birds can sleep in flight without colliding with obstacles or falling from the sky. www.ndtv.comYour search did not match any documentsA few suggestionsMake sure all words are spelled correctlyTry different keywordsTry more general keywordsCheck the NDTV Archives:https://archives.ndtv.com