Update: Conan O’Brien’s Health and ‘Tonight Show’ Return

ET has the latest on Conan O'Brien's condition after he hit his head Friday while taping a stunt for "The Tonight Show."

An NBC spokesperson tells us: "Conan is resting comfortably at home. He is expected to return to work on Monday."

In an exclusive interview with "The Insider"'s Lara Spencer, actress Teri Hatcher said Conan sustained a concussion.