Afternoon Coffee: Does it Help or Harm Sleep?

A new study reveals how consuming coffee in the afternoon can affect sleep quality and brain function.

Impact on the brain: Canadian researchers found that caffeine can alter the structure and complexity of brain activity during sleep.

The study: A study of 40 healthy adults showed that consuming 200mg of caffeine in the afternoon negatively affects non-REM sleep, the stage crucial for body rejuvenation.

Effects: Caffeine leads to shallower sleep and increased information processing, instead of deep rest.

Age differences: Young adults are more sensitive to the stimulating effects of caffeine during REM sleep, possibly due to more adenosine receptors.

Conclusion: Caffeine has the potential to reshape brain function and affect sleep quality.