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How can drinking coffee cause night sweats?

Julia Schlam Edelman
OBGYN (Obstetrics & Gynecology)
Coffee is an especially common trigger of night sweats, and it's a beverage that is more popular than ever. The number of specialty coffee shops is multiplying, and the coffee cups are getting larger -- an extra-large Dunkin' Donuts cup of hot coffee is 24 ounces; a "Venti" at Starbucks is 20 ounces. The more coffee you drink, the longer it takes to eliminate the caffeine from your body. Half the caffeine in a cup of coffee consumed by a healthy, non-pregnant adult is eliminated in six hours. If you drink a large cup of coffee (which may have 200 milligrams of caffeine) at 4:00 p.m., 100 milligrams of caffeine will be eliminated from your body by 10:00 p.m., leaving another 100 milligrams in your body that evening. This will disrupt your normal sleep pattern and promote night sweats.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.