Drugs that Cause Insomnia

Blood pressure medication: Clonidine, beta-blockers, reserpine
Hormones: oral contraceptives, thyroid medications, cortisone, progesterone
Bronchodilators
Decongetants
Nicotine
Caffeine
Diet pills
Levadopa
Quinidine
Aspirin
Cold and cough medications
Quinolones

Adapted from "Brain Fitness" by Robert Goldman.