Beware coffee addicts! latest study shows that caffeine drives sleep away

caffeine, coffee, sleep disorder, mental health, psychological issues, University of Colorado Boulder, Cambridge, England
Beware coffee addicts! latest studies show that caffeine drives sleep away

Looks like drinking that last cuppa coffee before you retire to bed, may after all, be a bad idea!

A recent research, led by the University of Colorado Boulder and the Medical Research Council’s Laboratory of Molecular Biology in Cambridge, England, showed that evening caffeine delayed the internal circadian clock that tells us when to get ready for sleep and when to prepare to wake up.

In simple words, it meant a delayed sleep pattern. The research established this through numerous experimentations. It stated that if an amount of caffeine in a double espresso or its equivalent is consumed three hours before bedtime, it induces a 40-minute delay in the roughly 24-hour human biological clock. The study also showed how caffeine affected ‘cellular timekeeping’ in the human body. Co-lead author Kenneth Wright was stated to have said.

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While it has been known that caffeine influences circadian clocks of even primitive creatures like algae and fruit flies, the new study shows that the internal clocks in human cells can be impacted by caffeine intake. “This is the first study to show that caffeine, the mostly widely used psychoactive drug in the world, has an influence on the human circadian clock,” said Wright. “It also provides new and exciting insights into the effects of caffeine on human physiology.”

The result may help explain why caffeine-drinking “night owls” go to bed later and wake up later and may have implications for the treatment of some circadian sleep-wake disorders, said Wright. The new results could benefit travellers though. Properly timed caffeine use could help shift the circadian clocks of those flying west over multiple time zones, said Wright. The study is published online in Science Translational Medicine.


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