But according to a recent study conducted at UC Irvine’s Sleep and Cognition Lab, taking stimulants such as Adderall and Ritalin … can impair sleep and the mental functions that rely on it. Study co-author Sara Mednick, a UCI associate professor of cognitive sciences and director of the sleep lab, said she decided to take on the subject … “People are reporting that they take [non-prescribed stimulants] to study and get smarter,” Mednick said.

For the full story, please visit https://www.latimes.com/socal/daily-pilot/news/story/2019-09-10/non-prescribed-stimulants-may-improve-short-term-focus-but-fail-users-in-the-long-run-uci-researchers-say.