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University of Michigan: Night Shift - Dopamine Cells Work While You Sleep to Strengthen Skills
December 06, 2025
ANN ARBOR, Michigan, Dec. 6 (TNSjou) -- The University of Michigan issued the following news:

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Night shift: Dopamine cells work while you sleep to strengthen skills

Dopamine neurons--the cells that drive reward and motivation while we're awake--become surprisingly active during nonrapid eye movement sleep right after we learn something new.

According to a new University of Michigan study funded by two federal grants, this night surge . . .

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