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  • 94% of us Drink Caffeinated Beverages | Sleep Foundation
    94% of surveyed U S adults drink caffeinated beverages, with 64% of them drinking them daily 68% of survey respondents who don’t drink caffeine think it can affect their sleep, while 40% of caffeine drinkers think so 51% most often enjoy coffee, with soda (28%), tea (10%), and energy drinks (7%) following in popularity
  • Why Coffee Makes Some People Sleepy - Verywell Health
    One-third of Americans typically sleep less than the recommended minimum of seven hours per night Research shows that caffeine consumption is linked to insomnia Studies have shown that consuming caffeine even six hours before bedtime can disrupt nighttime sleep
  • Why Does Coffee Make You Sleepy or Tired? And What to Do About It . . .
    Many of us turn to a daily cup (or several) to feel more alert and awake and less tired If there's one drink you expect to perk you up, it's coffee The bitter beverage is a potent source of caffeine, a substance that naturally stimulates the nervous system
  • How Caffeine Affects Sleep: The Mistake 90% of People Make Before Bed
    Studies have shown that consuming as little as 100 mg of caffeine (equivalent to one cup of coffee) in the evening can significantly reduce sleep efficiency Higher doses, such as those found in energy drinks or multiple cups of coffee, can lead to even greater disturbances in sleep Factors that influence caffeine sensitivity include:
  • The Relationship Between Caffeine and Sleep - Sleepopolis
    Despite this, 30 percent of adults drink some caffeine at or after 12:00 p m , when it’s more likely to negatively impact their sleep ( 3 ) Caffeine reduces total sleep time by 45 minutes, sleep efficiency by 7 percent, and causes you to take longer to fall asleep and fully wake up in the morning
  • Caffeine, naps and exercise: How Americans fight daytime sleepiness
    In fact, new survey data from the American Academy of Sleep Medicine reveals that nearly half of Americans use caffeine (49%) or take a nap (48%) to improve alertness when they feel sleepy in the daytime Respondents noted they also like to go outside (36%) or exercise (28%) for the same reason
  • Coffee and Sleep: How Late Is Too Late for Your Last Cup?
    Research from the Sleep Disorders Research Center at Henry Ford Hospital in Detroit, Michigan, found consuming four cups of brewed coffee (400mg of caffeine) at different times can affect your
  • How does caffeine affect sleep? - Live Science
    According to a 2022 review in the Journal of Sleep Research, adenosine levels are typically higher at night, meaning people feel sleepy by bedtime Consuming caffeine inhibits adenosine,
  • Sleep and Caffeine; Can They Co-exist? - Sleep Advisor
    A 2023 systematic review of 24 current studies 6 reveals that caffeine consumption can cause you to fall asleep nine minutes later than usual, lose 45 minutes of total sleep, and reduce sleep efficiency by 7 percent Caffeine can also increase time spent in light sleep by 6 1 minutes, and decrease time spent in deep sleep by 11 4 minutes
  • 8 Reasons Why Coffee Makes You So Sleepy - Well+Good
    Some people may feel sleepy after drinking coffee because their bodies process caffeine differently, Hayley Miller, MS, RDN, LD, a registered dietitian and senior regulatory specialist at





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