Sleep Info » Sleep in the News

Science Learning What Makes Us Tired

Tired woman with head on the table. Health issue, hangover or Monday morning concept.

Johns Hopkins researchers say they’ve identified brain cells that are responsible for why delaying bedtime creates chronic sleepiness. The researchers reached their findings by studying fruit flies, whose sleep is remarkably similar to that in people.  In a report on the research published online on May 19, 2016 in Cell, the scientists say they found…
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Sleep Deprived Teens at Risk for Depression and Suicide


A psychology professor who specializes in childhood development says the consequences for kids skipping sleep can be dire. George Mason University professor Adam Winsler, along with collaborators from Old Dominion University and Eastern Virginia Medical School, gathered data from the Fairfax County Youth Survey in Virginia. This assessment given to all county students in grades eight,…
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Sleep Disorders Very Common in Athletes


Professional athletes suffer from sleep disorders more frequently than generally thought, but the good news is that the experts say those problems are easily fixed. Published in the Journal of Sports Sciences, a new Finnish study clearly shows for the first time that systematic measures can improve the sleep of professional athletes. The study carried…
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Scientists Find Molecular Key to Exhaustion

Tired woman with head on the table. Health issue, hangover or Monday morning concept.

It happens to everyone: You stay up late one night to finish an assignment, and the next day, you’re exhausted. Humans aren’t unique in that; all animals need sleep, and if they don’t get it, they must make it up. The biological term for that pay-the-piper behavior is “sleep homeostasis,” and now, thanks to a…
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Do Trees Sleep?


The title of this article sounds like the kind of question a young child would ask, but it’s actually something that scientists are looking into, as a way to learn more about how plants impact our climate. Most living organisms adapt their behavior to the rhythm of day and night. Plants are no exception: flowers open…
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REM Sleep Critical for Memory Formation

Businessman sleeping with sticky notes on eyes at desk in office

For decades, scientists have fiercely debated whether rapid eye movement (REM) sleep – the phase where dreams appear – is directly involved in memory formation. Now, a study published in Science by researchers at the Douglas Mental Health University Institute (McGill University) and the University of Bern provides evidence that REM sleep does, indeed, play…
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Obesity and Depression Can Cause Sleepiness

Tired Man Yawning

It has been established in the last few years, and we’ve reported at length, that lack of sleep can cause obesity as well as depression.  New research indicates that obesity by itself can cause the reverse of sleeplessness — daytime drowsiness. Obesity and depression — not only lack of sleep — are underlying causes for regular…
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Does the Full Moon Impact Sleep?

giant full-moon over a dark forest, night time image

Since the beginning of human history, the full moon has been blamed for all kinds of things.  From poor behavior to werewolves, the lunar cycle has a bad reputation, but does it impact your sleep?  If you’re a child, it does … but only a little. To establish if lunar phases somehow do affect humans,…
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Video Game Addicts Risk Lost Sleep, Obesity and Cardiovascular Issues


Young people with serious high videogame addiction tendencies may be at risk of sleep deprivation and disorders associated with obesity and poor cardio-metabolic health, according to new research from Canada. The study, published in the scientific journal PLOS One, examines the growing global gaming phenomenon and its impact on youth health. Dr. Katherine Morrison, co-author of…
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Smartphone App Provides Data on Global Sleep Patterns

high-angle shot of a young caucasian man wearing pajamas and colorful striped socks using a smartphone in bed

A pioneering study of worldwide sleep patterns combines math modeling, mobile apps and big data to parse the roles society and biology each play in setting sleep schedules. The study, led by University of Michigan mathematicians, used a free smartphone app that reduces jetlag to gather robust sleep data from thousands of people in 100…
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