Sleep News and Research

Latest Sleep News and Research

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

Practice parameters discuss the evaluation, treatment of circadian rhythm sleep disorders

Practice parameters published in the November 1 issue of the journal SLEEP are a guide to the appropriate assessment and treatment of circadian rhythm sleep disorders (CRSDs).

2 Nov 2007

Link between sleep apnea and increased heart rate variability

A sleep-related breathing disorder, common in heart failure, increases one's heart rate variability.

2 Nov 2007

Preventing Morphine tolerance

Tolerance to the pain-relieving effects of morphine - which builds rapidly with prolonged use - can be prevented by blocking a key substance that's formed when the drug is taken, researchers at the Saint Louis University School of Medicine have discovered.

2 Nov 2007

Children with Asperger syndrome have a high prevalence of some sleep disorders

The first known attempt to evaluate the sleep patterns of children with Asperper Syndrome (AS), taking into account sleep architecture and the cyclic alternating pattern (CAP), finds that children with AS have a high prevalence of some sleep disorders and mainly problems related to initiating sleep and sleep restlessness together with morning problems and daytime sleepiness, according to a study published in the November 1 issue of the journal SLEEP.

2 Nov 2007