Poor sleep leads to more colds

A study published in the Archives of Internal Medicine has revealed that “people who sleep less than seven hours a night appear to be almost three times as likely to catch a cold as those who sleep eight hours or more.”

Quality of sleep counts even more than quantity. Those who spend as little as 25 minutes a night tossing and turning face more than five times the risk of sniffing and sneezing.

A team of researchers interviewed 153 healthy men and women each day for 14 days about the length and quality of their sleep the previous night. The 78 men and 75 women ranged in age from 21 to 55 years.

The volunteer participants were then sequestered in hotel rooms, exposed to a cold virus and observed for five days. Fifty-four of them came down with colds.

Controlling for numerous factors that can influence health — including age, race, income, education, smoking, exercise and depression — the study found that the longer and better participants slept, the better they were able to resist or fight off infection, said Sheldon Cohen, a professor of psychology at Carnegie Mellon University and the first author of the study.

via:LATimes

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