✉news ScienceScience first seen 8 h ago, last 13 min ago, peak #17
REM sleep paradox: dreaming may drain the brain despite rising fuel
Original: REM sleep paradox: Dreaming may drain the brain’s energy even as fuel supply rises
New research suggests that during REM sleep, the brain's energy consumption increases even as its fuel supply rises, creating what scientists are calling a paradox. Dreaming appears to be an energetically expensive state, with the brain burning through energy reserves at a time when metabolic resources should theoretically be abundant. The findings could reshape understanding of why sleep and dreaming are biologically essential.
Why now: Fresh science coverage of a surprising finding that challenges assumptions about brain metabolism during sleep
REM sleepbrain metabolismdreaming
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