BEAT INSOMNIA WITH CHERRY JUICE
Drinking tart cherry juice twice a day can help
you sleep nearly 90 more minutes a night.
Researchers from Louisiana State University had
seven older adults with insomnia drink eight ounces of Montmorency tart cherry
juice twice a day for two weeks, followed by two weeks of no juice, and then
two more weeks of drinking a placebo beverage. Compared to the placebo,
drinking the cherry juice resulted in an average of 84 more minutes of sleep
time each night.
Cherry juice is a natural source of the
sleep-wake cycle hormone melatonin and amino acid tryptophan, says study
coauthor Frank L. Greenway, director of the outpatient research clinic at the
Pennington Biomedical Research Center at LSU. “Proanthocyanidins, or the ruby
red pigments in tart cherry juice, contain an enzyme that reduces inflammation
and decreases the breakdown of tryptophan, letting it go to work longer in your
body,” he says. Montmorency cherries are particularly high in those compounds.
(The study was funded by the Cherry Marketing Institute, but the group had no
role in the study design or outcome.)
Greenway estimates that up to one-third of
American adults over age 65 have insomnia, which is defined as having trouble
sleeping more than three nights per week. He believes cherry juice is a safer
way to improve sleep quality than going the pharmaceutical route, given the
lack of side effects. “Sleeping pills in the elderly are associated with a
4-fold increase in the prevalence of falls which, at that age, can result in
fractures that require surgery,” he explains.
Not a cherry juice fan? Try kiwi. Eating two kiwi
fruits an hour before bed was shown to increase sleep time by 13% and decrease
mid-sleep waking periods by 29% after just four weeks, finds a recent Chinese
study. Or incorporate seaweed into your dinner; the ocean vegetable is high in
omega-3 DHA, which helped children get an extra full hour of sleep, according
to a recent University of Oxford study.
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