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VOF News For many people, having a cup of coffee right out of bed is the best way to start a day. But a report from Asap Science says otherwise. It says the worst time for coffee is soon after we get up. When we wake up, our bodies start to make cortisol. Cortisol helps us to think clearly and be quick to understand and act. The cortisol levels rise after we wake up and climb to the highest in about an hour. So there are two problems when we drink coffee during this time: (1) our bodies will make less cortisol, and (2) the cortisol will make coffee less useful. And that’s why some of us drink more and more coffee. Then, when’s the best time to have coffee? When the cortisol levels are going down, the report says. Cortisol levels are usually highest between 8 a.m. and 9 a.m., between noon and 1 p.m., and between 5:30 p.m. and 6:30 p.m. So if you want to have coffee, enjoy it after these times, and this popular drink will help you the most. 16/01/2015 Four people read the news and wrote what they thought about it. Mike: The best time to drink coffee is when you want to drink coffee. Sarah: I usually wake up AFTER I drink coffee! Charlie: The worst time to drink coffee is when you're DEAD. Lisa: If you need someone to tell you when to drink coffee, well, that’s just sad. cortisol 皮質醇 level 數值；濃度