Caffeine consumed before bedtime delays rise in sleep hormone and rewinds body clock by nearly an hour,scientists discoverDrinking the equivalent of a double espresso three hours before bedtime can turn the body clock back nearly an hour, replicating the effects of jet lag, or scientists have discovered.
Coffee consumed late in the evening resets the internal body clock,which regulates a host of biological functions and genes, according to a natural day/night cycle. The evidence suggests that the effects of caffeine disappear much further than simply making it harder to sleep. Continue reading...
Source: theguardian.com