Comments Subscribe to Personal Liberty News Feed Subscribe to Personal Liberty

Lack Of Sleep, Shift Work Ups Obesity Risk

BOSTON (UPI) — People who don’t get enough sleep or who sleep outside the “internal biological clock” are at increased risk of diabetes and obesity, U.S. researchers said.

Lead study author Orfeu M. Buxton, a neuroscientist at Brigham and Women’s Hospital in Boston, said unlike epidemiological studies, this study examined humans in a controlled lab environment over a prolonged period, and altering the timing of sleep, mimicking shift work or recurrent jet lag.

Buxton and colleagues hosted 21 healthy participants in a completely controlled environment for nearly six weeks.

Participants started with getting optimal sleep — approximately 10 hours per night — followed by three weeks of 5.6 hours of sleep per 24-hour period and with sleep occurring at all times of day and night simulating the schedule of rotating shift workers. The study closed with the participants having nine nights of recovery sleep at the usual time.

The study published online in Science Translational Medicine found prolonged sleep restriction with simultaneous circadian disruption decreased the participants’ resting metabolic rate and glucose concentrations in the blood increased after meals due to poor insulin secretion by the pancreas.

A decreased resting metabolic rate could translate into a yearly weight gain of more than 10 pounds, while increased glucose concentration and poor insulin secretion could lead to an increased risk for diabetes, Buxton said.


UPI - United Press International, Inc.

Since 1907, United Press International (UPI) has been a leading provider of critical information to media outlets, businesses, governments and researchers worldwide.

Facebook Conversations

Join the Discussion:
View Comments to “Lack Of Sleep, Shift Work Ups Obesity Risk”

Comment Policy: We encourage an open discussion with a wide range of viewpoints, even extreme ones, but we will not tolerate racism, profanity or slanderous comments toward the author(s) or comment participants. Make your case passionately, but civilly. Please don't stoop to name calling. We use filters for spam protection. If your comment does not appear, it is likely because it violates the above policy or contains links or language typical of spam. We reserve the right to remove comments at our discretion.

Is there news related to personal liberty happening in your area? Contact us at


Sign Up For Personal Liberty Digest™!

PL Badge

Welcome to,
America's #1 Source for Libertarian News!

To join our group of freedom-loving individuals and to get alerts as well as late-breaking conservative news from Personal Liberty Digest™...

Privacy PolicyYou can opt out at any time. We protect your information like a mother hen. We will not sell or rent your email address to anyone for any reason.