the.com/slumber
the rehearsal for death your body throws nightly, then forgets by morning.
paralysisYour body paralyzes itself nightly so you don't act out dreams.
brain washSleep flushes brain toxins through cerebrospinal fluid drainage.
two halvesDolphins sleep one brain hemisphere at a time.
giraffe dealGiraffes survive on roughly thirty minutes nightly.
deprivationStaying awake eleven days is the record, brutally.