Insomnia, tachycardia, and cola drinks.
D001628:Beverages / Q000009:adverse effects*; D002110:Caffeine / Q000009:adverse effects*; D002648:Child; D006801:Humans; D007319:Sleep Initiation and Maintenance Disorders / Q000139:chemically induced*; D013610:Tachycardia / Q000139:chemically induced*
D002110:Caffeine