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.
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