Crossword Puzzle Insomniac's repast

Clue: Insomniac's repast

Sumptuous repast (FEAST with 5 letters)
Super Bowl to be played in the year 3968, at the current rate (MMII with 4 letters)
Insomniac's core surrounding? (HEARTOFDARKNESS with 15 letters)
Substantial repast (e.g. HEARTYMEAL with 10 letters)
39th president of the United States (JIMMYCARTER with 11 letters)
Do a scathing impersonation of the 39th president? (MINCECARTER with 11 letters)
Insomniac, slangily (NIGHTHAWK with 9 letters)
Insomniac's supply (SLEEPINGPILLS with 13 letters)
Sumptuous repasts (FEASTS with 6 letters)
Rover's repast (ALPO with 4 letters)