Add BrightSurf on Google Email

Dreams drain energy: the REM sleep paradox

Researchers at Tohoku University discovered a paradox in REM sleep where the brain's energy molecule decreases despite an increase in fuel supply. This finding suggests that the brain dynamically adjusts its energy economy to support complex internal processing, revealing new insights into biological computation and sleep function.

SourceTohoku University·JournalCommunications Biology·DateJul 27, 2026