The AP
(4/17, Neergaard) reports "growing evidence that people who regularly
sleep too little and at the wrong time suffer long-lasting consequences
that a nap won't cure: An increased risk of diabetes, heart disease and
other health problems." In fact, "studies have long shown that people
who sleep fewer than five hours a night have an increased risk of
developing type 2 diabetes," while "rotating shift work -- three or more
night shifts a month interspersed with day or evening hours -- raises
the risk, too, says a recent report from
researchers who analyzed years of medical records from the huge Nurses'
Health Study."
Focusing on study specifics, the New York Times
(4/17, D6, Bakalar, Subscription Publication) reports in "Vital Signs"
that according to a study of 24 volunteers published last week in the
journal Science Translational Medicine, "disturbed sleep resulted in a
27 percent average decrease in insulin secretion after eating, and
higher glucose levels over a longer period of time, sometimes high
enough to make the subject prediabetic." What's more, "there was an
average eight percent decrease in resting
metabolism rate...that translates into a theoretical weight gain of more
than 12 pounds a year."
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