Lisa Khiev

May 15, 2024 | thefoxmagazine.com | Lisa Khiev

Why You Shouldn’t Grab A Coffee As Soon As You Wake Up, Sleep Expert Says  Additionally, don’t have coffee six hours before your bedtime. According to a sleep expert, most people will head to the coffee machine as soon as they wake up, but doing that doesn’t give you the biggest energy boost. Caffeine works by blocking sleep-promoting receptors in your brain called adenosine receptors, explaining why people who drink caffeine too late in the day may struggle to sleep at night.