Poor Sleep Hampers Vaccine Effectiveness: Study

WEDNESDAY, Aug. 1 (HealthDay News) — Lack of sleep can reduce the
effectiveness of vaccinations, according to a new study.

Researchers measured the sleep patterns of 125 adults who received the
three-shot course of the vaccine to protect against hepatitis B. The
immune systems of participants who slept less produced fewer antibodies in
response to the vaccine and blood tests showed that they did not meet the
standard of protection from the virus.

People who slept less than six hours per night were nearly 12 times
more likely to be left unprotected by the vaccine than those who slept
more than seven hours per night.

Only the amount of sleep, not the quality of sleep, affected the amount
of antibodies produced in response to the vaccine.

“Given that more and more Americans are grappling with chronic sleep
deprivation, these findings should be a wake-up call to the public health
community about the clear connection between sleep and health,” study
author Aric Prather, a Robert Wood Johnson Foundation Health and Society
Scholar at the University of California, both at Berkeley and San
Francisco, said in a foundation news release.

The study, published in the Aug. 1 issue of the journal Sleep,
is the first outside a sleep laboratory to confirm that the amount of
sleep people get affects how they respond to vaccinations, according to
Prather.

“Based on our findings and laboratory evidence, physicians and other
health professionals who are administering vaccines may want to consider
asking their patients about their sleep patterns first, since a lack of
sleep may affect the efficacy of the vaccine,” Prather said.

Adults should get seven to nine hours of sleep per night, according to
the National Sleep Foundation.

While the study found an association between sleep and vaccine
effectiveness, it did not prove a cause-and-effect relationship.

More information

The U.S. Centers for Disease Control and Prevention has more about adults and vaccinations.

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