Most people know coffee can keep them awake at night, but many don't realise that caffeine takes eight hours to clear the system - so anyone drinking it after 2pm is likely to still be affected at bedtime. In addition to being a stimulant, caffeine interrupts the flow of melatonin, the brain hormone that sends us to sleep. Melatonine levels start rising about two hours before bedtime and peak between 2am and 4am. However, researchers found that caffeine can halve the body's level of melatonine and make us sleep an average 80 minutes less.
Showing posts with label HEALTH. Show all posts
Showing posts with label HEALTH. Show all posts
10 Jan 2013
TRY AQUA AEROBICS
Try aqua aerobics if you have achy joints. Scientists in Brazil say water-based exercises boost muscle tone, which protects joints and eases inflammation, reducing pain. At this time of the year many of us are thinking of New Year's resolutions, most of which never last. Anyway, why not having a go at it?
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