Piotr Woźniak (researcher)

Piotr A. Woźniak (born in 1962) is the principal author of SuperMemo (a flashcard-like computer-based learning system) and a researcher in the theory of spaced repetition, along with presenting compiled extensive factual data about sleep and its importance, and incremental reading and writing, on his website.

Academic articles he has authored include:

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Wikipedia