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Sleep disorders news

Cardiology

A study questions melatonin use and heart health but don't lose sleep over it

Don't lose sleep over headlines linking melatonin to heart failure. That's the message after some scary-sounding reports about a preliminary study involving the sleep-related supplement. It raised questions about the safety ...

Cardiology

How experts are using AI to better detect sleep apnea, especially in women

Mayo Clinic researchers have developed an artificial intelligence (AI) algorithm that can identify obstructive sleep apnea (OSA) using the results from an electrocardiogram (ECG)—a common heart test. The innovation could ...

Psychology & Psychiatry

Is seasonal affective disorder more than feeling sad? Q&A

Seasonal affective disorder, or SAD, is a type of depression that's related to the changes in seasons. Symptoms typically appear in the fall, worsen through the winter months and eventually go away in the spring or summer.

Neuroscience

Exploring the relationship between sleep and diet

Sleep patterns and eating habits can influence each other, but the link between these behaviors remains unclear. In a new JNeurosci paper, researchers led by William Ja, from the Herbert Wertheim UF Scripps Institute for ...

Health

Clock changes disrupt sleep, health and well-being

This weekend, many people across the country will engage in a twice-a-year ritual: changing their clocks by one hour. At this time of year, "falling back" marks the end of daylight saving time (DST), which was first formally ...

Neuroscience

Researchers identify tipping point that leads to rapid sleep onset

In the new study, researchers demonstrated that the human brain falls asleep abruptly, rather than gradually, with a "tipping point" marking the transition from wakefulness into sleep. They were then able to predict the momentary ...

HIV & AIDS

How HIV disrupts sleep across Africa

HIV significantly affects sleep, with many affected people living in a state akin to chronic jet lag. A new study with Wits researchers published in The Lancet HIV describes how people living with HIV (PLWHIV) experience ...

Genetics

Are some children genetically predisposed to poor sleep?

Previous research has identified genetic variants associated with insomnia and sleep duration in adults. Now a study published in the Journal of Child Psychology and Psychiatry has found that these variants also likely affect ...

Cardiology

Poor night's sleep can trigger atrial fibrillation the next day

We all know that a lousy night's sleep can leave us feeling drained the next day. Now a study by UC San Francisco has found another reason to catch more Z's: poor sleep is tied to significantly higher odds of experiencing ...

Alzheimer's disease & dementia

Improving deep sleep may prevent dementia, study finds

As little as 1% reduction in deep sleep per year for people over 60 years of age translates into a 27% increased risk of dementia, according to a study which suggests that enhancing or maintaining deep sleep, also known as ...

Sleep disorders

How can I get some sleep? Which treatments actually work?

Do you have difficulty falling asleep? Do you stay awake for a long time at night? Do these sleep problems make you feel fatigued, strung-out, or exhausted during the day? Has this been happening for months?

Neuroscience

Research reveals how sleep disruption can exacerbate pain

People often experience headaches and body pain after a lack of sleep, but the mechanisms behind this phenomenon are unclear. A new study led by investigators at Massachusetts General Hospital (MGH), a founding member of ...

Health

Is it okay to press the snooze button?

It is often claimed that using the snooze button can have negative effects on sleep and cognitive processes, but there has been no direct evidence to this effect. New research from the Department of Psychology at Stockholm ...

Neuroscience

Study finds we can respond to verbal stimuli while sleeping

Sleep is not a state in which we are completely isolated from our environment: while we sleep, we are capable of hearing and understanding words. These observations, the result of close collaboration between teams at Paris ...

Sleep disorders

Letting go of extra weight to control sleeping sickness

A new study led by Luísa Figueiredo, group leader at the Instituto de Medicina Molecular João Lobo Antunes (iMM; Portugal), and published in Nature Microbiology found a new strategy by the host to cope with Trypanosoma ...