Having a caffeinated drink like coffee in the afternoon may lead to disrupted sleep and greater fatigue. Caffeine can stay in your system for six to eight hours, and has been shown to impact sleep ...

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Tossing and turning at night? You might need to ditch your afternoon coffee. Reviewed by Dietitian Jessica Ball, M.S., RD "Key Takeaways" Having a caffeinated drink like coffee in the afternoon ...