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September 27, 2002

U.S. IMMUNIZATION NEWS

"Flu Shot Works Best in Well-Rested Individuals"

Reuters Health Information Services (www.reutershealth.com) (09/24/02); Huggins, Charnicia E.

A study, conducted by Eve Van Cauter of the University of Chicago, involved 25 healthy young men and determined that a good guarantee that the flu vaccination will be effective is to get a good night's sleep before receiving the injection.  Eleven men had their sleep restricted to just four hours per night for six nights, and 10 days later, researchers discovered that the immune response for the sleep-deprived group was less than half the immune response of the group that was able to sleep 12 hours per night.  However, after three weeks and four weeks, researchers were unable to see significant differences between the two groups.  The study is published in the Journal of the American Medical Association and was partly funded by the National Institutes of Health.

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