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Drinking coffee at night negatively affects sleep and body clock due to caffeine
Caffeine from drinking coffee negatively impacts sleep and your body clock if consumed prior to bedtime, a new study reports. Additionally, the interruption of the body’s internal clock could cause feelings similar to jet-lag during wakening hours.
Most people know that drinking coffee before bedtime can make it more difficult to fall asleep; however, not only can coffee keep you awake, but it can also create changes to your body’s internal clock which can prevent you from falling asleep in the future, the authors suggest.
Our bodies have a circadian clock which prompts us to go to sleep and wake up. You may have noticed that after getting up at 6 a.m. each weekday, you end up waking up at 6 a.m. on Saturday morning without even setting an alarm; that is your circadian clock at work.
The aim of the research was to determine the affects of caffeine on the circadian clock. Previous research on caffeine intake and the body’s clock revealed that caffeine could disrupt the circadian clock in other species, like algae, mice and fruit flies.
The small preliminary study looked at five individuals over the course of 49 days. Three hours before their scheduled sleep time they consumed a caffeine capsule similar to a double espresso.
Caffeine consumption was shown to delay sleep by 40 minutes – half the time linked with exposure to bright light. Caffeine was shown to disrupt the signaling in the cells, suggest researchers, which is the core to each cell’s circadian clock.
Read more at http://www.belmarrahealth.com/drinking-coffee-at-night-negatively-affects-sleep-and-body-clock-due-to-caffeine/
