Sleepy Sleepers

Sleepy Sleepers (commonly known as Sliipparit in Finland) is a Finnish pop-rock-punk-comedy band founded in 1974 by its two front-men Sakke Järvenpää and Mato Valtonen in Lahti, Finland. Between 1975 and their break-up in 1990 they recorded and issued a total of 19 albums. Sakke and Mato eventually went on to form and front the internationally successful Leningrad Cowboys.