the.com/jitteriness
the body's drum solo when caffeine and adrenaline forgot they weren't a band.
caffeine linkblocks adenosine, the brain's calm-down signal
physical tremormuscles fire faster than your nerves intend
survival rootsancient fight-or-flight wiring still pulling levers
blood sugarcrashes can mimic too much espresso
contagiouswatching anxious people raises your own arousal