too much coffee
- jitteryAnxiously restless
- wiredElectrically connected or jittery
- caffeineMethylxanthine stimulant compound
- anxiousTroubled by uncertainty
- shakyTrembling or unstable
insomnia · heart racing · espresso · buzzing · restless · crash · trembling · overcaffeinated · nerves · palpitations · sleepless · hyper · agitated · bathroom · acidic · stomach · buzzy · twitchy