caffeinism
/kæˈfiːnɪzəm/
noun
- A condition caused by consuming too much caffeine, resulting in symptoms like anxiety, insomnia, and a fast heartbeat.
- His constant jitteriness and trouble sleeping were signs of caffeinism.
- Doctors sometimes diagnose caffeinism in people who consume large amounts of energy drinks.
- After drinking five cups of coffee, she started to feel the effects of caffeinism.