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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 ...

Neuroscience

Study shows an association between sleep apnea and brain volume

Studies have shown that sleep apnea is related to an increased risk of dementia. A new study looks at the relationship between sleep apnea and brain volume. The study is published in the May 31, 2023, online issue of Neurology.

Overweight & Obesity

Junk food may impair our deep sleep, finds study

In a new study, researchers at Uppsala University have investigated how junk food affects sleep. Healthy participants consumed an unhealthier as well as a healthier diet in a randomized order. After the unhealthier diet, ...