Ruff & Tumble

The player takes control of either Ruff or Tumble, a brother and sister who are sleeping and trying to free 40 "Winks" from a man named Nitekap and his accomplice, Threadbear. In the game's plot, "Winks" are small, white creatures which make dreams, and "Hoodwinks", which are green and of a similar size are what are responsible for nightmares.