Coffee, in normal doses and at the right time of day can have some very healthy qualities. But if it taken too late in the afternoon or night, it can have some disrupting actions on sleep patterns.
This delayed effect, previously unknown, shows up many hours after assumption. The key of course is timing.
Almost all scientists are now agreed that coffee should be taken first thing in the morning, and no later than noon. If possible, caffeine after 5 pm should be avoided altogether, and that means caffeine in any form.
The study relied on sleep monitors lent to the study group for home use, and by verbal recounting of the sleep experience in the people who were given the caffeine pills.
What the study highlighted however, was that the person might not be aware at all of the sleep disturbances, yet they showed up in the machines in the form of shallower or more active sleep.
What was diminished then, was sleep efficiency, duration and SWS and REM patterns. Therefore sleep was not as deep. Deep sleep is essential for cell repair and for brain health.
Source : MNT/ 11.15.13
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