Kit Harington can't help but laugh at himself in a new interview with W. The Game of Thrones [1] star opened up about his role on the hit series, revealing that he once fell asleep while filming, only to wake up naked and be completely disoriented. Harington also told a hilarious story about his original audition for the role of Jon Snow, then shared what it was like to keep his character's fate a secret. (Spoiler alert: it wasn't easy.) Harington really lays on the charm while joking about the unfortunate timing of his birthday — the day after Christmas — so check out the clip above, then learn more about Harington [2] and see the best reactions to the Game of Thrones finale [3].