Think You’re Immune to Late-Day Caffeine? Your Sleep May Disagree
Recent research indicates that caffeine can negatively impact sleep quality, even if individuals feel rested. A study reviewed multiple investigations and found that caffeine reduces deep sleep duration and alters brain activity during sleep. The findings suggest that people should be cautious about their caffeine intake, particularly in the evening.
- ▪Caffeine can subtly reduce the time spent in deep sleep, despite subjective feelings of restfulness.
- ▪The study reviewed 32 caffeine-related studies and found a consistent link between caffeine use and reduced slow-wave brain activity.
- ▪Caffeine's effects on sleep quality can vary based on individual consumption patterns and timing.
Opening excerpt (first ~120 words) tap to expand
If you believe you’re impervious to the negative effects of an evening soda or other caffeinated beverage, you might want to listen up. Recent research finds that caffeine can affect sleep in ways beyond cutting your bedtime hours short.cnx.cmd.push(function(){cnx({"playerId":"92b7b46b-43ed-4e0e-b21b-2c999302d9d7","settings":{"advertising":{"macros":{"AD_UNIT":"/23178111854/od.gizmodo.com/article","CHILD_UNIT":"article","POST_ID":"2000765032","POST_TYPE":"post","CHANNEL":"science","SECTION":"health","SUBSECTION":"","CATEGORIES":"health","TAGS":"caffeine,coffee,sleep","NOP":"0"},"timeBeforeFirstAd":0}}}).render("cnx-player-main")}); Scientists in Poland reviewed dozens of studies looking at how caffeine might influence the brain’s electrical activity during sleep.
…
Excerpt limited to ~120 words for fair-use compliance. The full article is at Gizmodo.