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SIDS Linked to Low Levels of Serotonin
The brains of infants who
die of sudden infant death
syndrome (SIDS) produce low
levels of serotonin, a brain
chemical that conveys
messages between cells and
plays a vital role in
... > full story
New Technique Uses Zebrafish Behavior to Screen for Useful Compounds: Pathways Affecting Sleep and Wakefulness Discovered
A robust new technique for
screening drugs' effects on
zebrafish behavior is
pointing scientists toward
unexpected compounds and
... > full story
As in Humans, Sleep Solidifies a Bird's Memories
Sleeping is known to help
humans stabilize information
and tasks learned during the
preceding day. Now,
researchers have found that
sleep has similar effects
... > full story
Disruption Of Circadian Rhythms Affects Both Brain And Body, Mouse Study Finds
A new study has found that
chronic disruption of one of
the most basic circadian
(daily) rhythms -- the
day/night cycle -- leads to
... > full story
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Melatonin Precursor Stimulates Growth Factor Circuits in Brain
February 5, 2010 — N-acetylserotonin, the immediate precursor to melatonin, activates the same growth circuits in the brain as BDNF (brain-derived neurotrophic factor). The results have implications for how some ... > full story -
Obstructive Sleep Apnea
Sleep Disorder Research
Sleep Disorders
Insomnia Research
Insomnia
Psychology Research
Reduced Brain Gray Matter Concentration Found in Patients With Severe Obstructive Sleep Apnea
February 2, 2010 — In a study of 36 newly diagnosed men with severe obstructive sleep apnea and 31 healthy controls, significant gray matter concentration deficits were found in multiple brain areas of men with OSA, ... > full story -
Brain Responses During Anesthesia Mimic Those During Natural Deep Sleep
February 1, 2010 — The brains of people under anesthesia respond to stimuli as they do in the deepest part of sleep -- lending credence to a developing theory of consciousness and suggesting a new method to assess loss ... > full story -
Sleep Disorders
Sleep Disorder Research
Insomnia Research
Disorders and Syndromes
Insomnia
Psychology Research
Losing Sleep, Losing Brain?
January 29, 2010 — Chronic and severely stressful situations, like those connected to depression and post-traumatic stress disorder, have been associated with smaller volumes in "stress sensitive" brain regions, such ... > full story -
Earlier Bedtimes May Help Protect Adolescents Against Depression and Suicidal Thoughts
January 2, 2010 — New research finds that adolescents with bedtimes that were set earlier by parents were significantly less likely to suffer from depression and to think about committing suicide, suggesting that ... > full story -
Erectile Dysfunction
Men's Health
Sexual Health
Diseases and Conditions
Sleep Disorder Research
Sleep Disorders
Restless Leg Syndrome Linked to Erectile Dysfunction in Older Men
January 2, 2010 — A new study shows that erectile dysfunction was more common in older men with restless leg syndrome (RLS) than in those without RLS, and the magnitude of this association increased with a higher ... > full story -
Are Patients Losing Sleep Over Blood Pressure Monitors?
December 22, 2009 — A widely used test for measuring nighttime blood pressure may interfere with patients' sleep, thus affecting the results of the test, a new study ... > full story -
Enzyme Behind Effects of Sleep Deprivation Discovered
December 16, 2009 — Researchers have discovered the enzyme behind effects of sleep deprivation. There is hope for those who miss one night too many or whose children keep them up at night. The unwelcome effects of a bad ... > full story -
Insomnia Symptoms Linked With Medical Complaints in Young School-Aged Children
December 16, 2009 — Significant associations exist between parent-reported insomnia symptoms and medical complaints of gastrointestinal regurgitation and headaches in young school-aged children, a new study ... > full story -
Dream-Enacting Behavior Is Common in Healthy Young Adults
December 5, 2009 — Dream-enacting behaviors are common in healthy young adults, and the prevalence of specific behaviors differs between men and ... > full story
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