the.com/jet lag
your body is still in yesterday's timezone, arguing with a clock it doesn't recognize.
means a temporary disruption of your internal circadian clock caused by crossing time zones faster than your body can adjust.
from coined in the 1960s once commercial jets made crossing multiple time zones in hours possible, a feat human biology never evolved for and still resents.
eastward worseflying east is harder than flying west, always
one day per zoneroughly a day to adjust per timezone crossed
light is medicinesunlight exposure resets your clock faster than sleep does
not just tireddisrupts digestion, mood, and hormone release too
for instance
international athletes — nba teams track jet lag as a performance variable across road trips
diplomatic summits — leaders schedule buffer days after long flights before major talks
astronauts on iss — experience circadian disruption from 16 sunrises daily, extreme version