Lexington is a quiet town with mostly chain eats afterhours. 

Dennys - open 24/7.  (2 locations). 

Hardee's - This location is open 24/7.  206 New Circle Rd, Lexington, KY 40505.  (859) 293-2424 

Mad Mushroom Pizza - open until 1am Sun, 2am M-W, 3am Thu-Sat. 341B South Limestone, Lexington, KY 40508.  (859) 252-3278.

Perkins - open 24/7. 2401 Richmond Rd, Lexington, KY 40502. (859) 269-1663. 

Steak n Shake 1832 Alysheba Way (Hamburg Pavilion), Lexington, KY 40509.  859-543-9096 

Taco Bell - four locations open until 1am or later. 

Tolly-Ho - campus greasy burger joint open 24/7.  395 S. Limestone, Lexington, KY 40508.

Waffle House - 10 locations in Lexington, KY open 24/7.

White Castle - 2 locations open 24/7.

 Goodfella's Pizza - Downtown across from Rosebud Bar and down the street from Cheapside - Best Pizza in town -