Coffee lovers should switch to decaf at lunchtime if they want to get a good night's sleep, scientists say. Millions rely on a cup to get going in the morning, giving a vital energy boost and ...

Drinking too much coffee can suppress our brain's ability to recover from chronic sleep deprivation ... our morning brew of bean juice might actually be counterproductive. More From Newsweek ...

“This association may be due to coffee’s interaction with circadian rhythms, as consuming caffeine later in the day can disrupt sleep patterns and melatonin secretion, potentially negating ...