Sciencespeaking topic
While you sleep the brain doesn't shut down; on the contrary a cleaning crew kicks in: the space between cells widens and the brain flushes out the waste that built up all day. So 'clearing your head' isn't a metaphor, it's almost literally true. Is your foggy thinking when sleep-deprived caused by accumulated garbage?
— glymphatic system
practice with this topic
Set the timer (5-30 min), take 20 seconds of prep if you like, start talking. Jot your thoughts onto the sticky-note board.
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