The Tonight Show Starring Jimmy Fallon premieres on NBC February 17th, so Fallon and company rolled out this promo called “Staying Awake†featuring Fallon reenacting the iconic opening sequence of Saturday Night Fever, can of semi-gloss and all. Considering Fallon’s spent five years in the 12:35AM time slot, this whole “staying awake†thing should thankfully no longer be an issue.