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3. Caffeine

One of the most widely available stimulants is caffeine, which is present in energy drinks, and sodas as well as coffee and tea. Caffeine antagonizes adenosine receptors, which increases alertness. Because the stimulant affects the central and autonomic nervous systems, it can alter brain functions such as sleep, cognition, memory, and learning. In large doses, caffeine may cause eyelid twitching. This often occurs after excessive consumption of beverages very high in the stimulant, such as energy drinks.

Eye Twitching: Uncover the 10 Underlying Causes You Should Know Farknot_Architect / Getty Images

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This site offers information designed for educational purposes only. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling care, advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other healthcare professional.