For a coffee nap to work correctly, you want to make sure the amount of caffeine you're consuming won't leave you jittery or wide awake. According to the FDA, most adults can have up to 400 ...

Nap time, elevated. ... Caffeine takes roughly 30 minutes to metabolize in the body, meaning that when you’re ready to rise and shine, ...

Learn how even a speedy 10-minute nap can have profound effects on our cognition and mood in addition to alleviating afternoon slumps. Accessibility statement Skip to main content.