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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 ...

Psychology & Psychiatry

Sleep may be compromised with a bed partner

If you're having trouble sleeping, perhaps contact with a bedmate is causing the problem, say University of Michigan researchers.

Cardiology

Artery calcification more common in night owls, shows study

Artery calcification is almost twice as common in night owls compared to early birds, according to a study from the University of Gothenburg, Sweden. Circadian rhythm appears to be particularly important for the heart and ...

Sleep disorders

Night sweats reveal the severity of sleep apnea

In Greek, apnea (ἄπνοια) denotes the "absence of breathing." Hence, obstructive sleep apnea is a disease defined by interruptions in breathing, which recurs while the person suffering from it is asleep. A feeling of ...

Health

Waking up to your phone alarm could be putting you at risk

Your morning alarm clock might not just be annoying. It could be raising your blood pressure, putting you at greater risk for adverse cardiovascular events, such as stroke and heart attack, according to new research from ...

Neuroscience

Breathing patterns during sleep found to impact memory processes

How are memories consolidated during sleep? In 2021, researchers led by Dr. Thomas Schreiner, leader of the Emmy Noether junior research group at LMU's Department of Psychology, had already shown there was a direct relationship ...

Neuroscience

Research shows how stress activates neurons that disrupt sleep

New research reveals that neurons in the preoptic hypothalamus—the region of the brain that regulates sleep and body temperature—are rhythmically activated during non-rapid eye movement sleep (NREM). Stress activates ...