Can drinking coffee before a 20-minute nap boost your brain? What sleep and gut experts say

From a gastroenterology perspective, drinking coffee and immediately lying down may not be comfortable for everyone. (Source: Pexels)Drink a cup of coffee, close your eyes for 20 minutes, and wake up feeling more refreshed than you would after either coffee or a nap alone. That’s the promise of the “coffee nap” — a wellness hack that has exploded across social media and productivity circles. Interestingly, the concept isn’t just an internet fad. In a recent episode of The Matt Walker Podcast, renowned US neuroscientist and sleep researcher Dr Matthew Walker explained why the idea is biologically plausible. Caffeine, he notes, typically takes about 20 to 30 minutes to begin exerting its full effect. That creates a brief window in which a person can fall asleep before the stimulant reaches t