Sleep News and Research

Latest Sleep News and Research

Older workers generally report low levels of work-related stress

The study, presented in San Francisco at the annual meeting of the Gerontological Society of America, is based on 2006 data from 1,544 participants in the U-M Health and Retirement Study, conducted by the U-M Institute for Social Research (ISR) and funded by the National Institute on Aging.

20 Nov 2007

Rev-erb protein helps maintain the body's correct metabolism

It's well known that the body's energy levels cycle on a 24-hour, or circadian, schedule, and that this metabolic process is fueled by oxygen.

19 Nov 2007

University of Illinois at Chicago receives $2.2 million grant to develop drugs to suppress cocaine cravings

The University of Illinois at Chicago College of Pharmacy has received a $2.2 million federal grant to develop therapeutics to suppress the cravings of cocaine addicts.

19 Nov 2007

Weight-loss drug doubles the risk of depression and anxiety

A weight loss pill which was initially hailed as some kind of wonder drug is now thought to more than double the risk of depression, anxiety and suicidal thoughts.

19 Nov 2007

Melatonin could actually be hurting you at night!

What do you do when a naturally occurring hormone in your body turns against you? What do you do when that same hormone - melatonin - is a popular supplement you take to help you sleep?

16 Nov 2007

New understanding of how brain processes memory

Scientists at The University of Arizona have added another piece of the puzzle of how the brain processes memory.

16 Nov 2007

Hormone orexin links sleep, hunger and metabolism

While investigating how the hormone orexin might control sleep and hunger, researchers at UT Southwestern Medical Center have discovered, to their surprise, that it activates a protein, HIF-1, long known to stimulate cancerous tumor growth.

15 Nov 2007

Acne drug Roaccutane may disrupt serotonin production

New research has found that a drug used to treat severe forms of acne reduces the availability of the chemical serotonin, low levels of which have been linked to aggression and clinical depression.

13 Nov 2007

Glasses designed to block blue light improve sleep and ADHD symptoms

Scientists at John Carroll University, working in its Lighting Innovations Institute, have developed an affordable accessory that appears to reduce the symptoms of ADHD. Their discovery also has also been shown to improve sleep patterns among people who have difficulty falling asleep.

13 Nov 2007

Brain may have important influences on glucose metabolism and insulin action

An appetite-suppressing chemical also improves glucose tolerance and lowers insulin levels in obese and diabetic mice, researchers report in the November issue of Cell Metabolism, a publication of Cell Press.

13 Nov 2007

High fat diets throw body clock out of sync

The researchers from the Northwestern University and Evanston Northwestern Healthcare in Illinois, suggest that overeating alters the core mechanism of the body clock and disrupts the timing of internal signals such as appetite control.

7 Nov 2007

Melatonin levels tied to quality of sleep

Vanderbilt sleep researchers are reporting a relationship between good sleep and how much melatonin the body produces - the first in a series of research studies intended to help children with autism spectrum disorders sleep through the night.

6 Nov 2007

Overeating alters the core mechanism of the body clock

Our body's 24-hour internal clock, or circadian clock, regulates the time we go to sleep, wake up and become hungry as well as the daily rhythms of many metabolic functions.

6 Nov 2007

Brain appears to play important role in glucose metabolism and insulin action

6 Nov 2007

Diets high in fat shift the timing of the body's internal clock

Diets that are high in fat can shift the timing of the body's internal clock, researchers report in the November issue of Cell Metabolism, a publication of Cell Press.

6 Nov 2007

Brain chemistry and genes dictate nicotine cravings

Individual brain chemistry and genes could be key to understanding why some people become addicted to nicotine and why the chemical compound's effects appear to diminish at night, University of Colorado at Boulder researchers say.

6 Nov 2007

Floating effective for stress and pain

Relaxation in large, sound- and light-proof tanks with high-salt waterfloatingis an effective way to alleviate long-term stress-related pain.

6 Nov 2007

Lack of sleep makes children fat

A new study by researchers in the United States has found that children who do not get enough sleep are more likely to be overweight.

6 Nov 2007

U-M study finds shorter sleep duration for 9- to 12-year-old kids is associated with increased risk for being overweight

Diets high in fat and sugar may not be the only things contributing to American children's expanding waistlines. Research findings from the University of Michigan C.S. Mott Children's Hospital suggest that kids who aren't getting enough sleep also may be at an increased risk for being overweight.

5 Nov 2007

Anti-leukemia drug dexamethasone increases patient fatigue

The anti-leukemia drug dexamethasone contributes to a relentless fatigue and poor quality of sleep in children undergoing treatment for acute lymphoblastic leukemia (ALL), according to a new study from St. Jude Children's Research Hospital.

2 Nov 2007