Both Sheets and Stover have records of State service with Capt Nelson Fennell's Partisan Ranger company from Morgan County. This was a six-month company in service from the late summer of 1862 through early 1863. If you search for company name only in the ADAH database, there are 400+ entries for Fennell's Morgan Rangers or Fennell's Partisan Rangers.
Both John Orr Sheets and Wesley L Stover responded to the 1907 census as residents of Hillsboro and Danville, Lawrence County AL. Sheets claimed service under Lt. Col. Wines and Capt Warren, 4th Alabama Cavalry; Stover claimed service with the 5th Alabama Cavalry.