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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 ...

Sleep disorders

Reducing fatigue and errors among nurses working night shifts

Nurses exposed to 40 minutes of bright light before their night shifts feel less fatigued and make fewer errors at work, according to a study led by McGill University. The nurses also slept better after their shifts.

Alzheimer's disease & dementia

Obstructive sleep apnea may directly cause early cognitive decline

Obstructive sleep apnea (OSA) is a potentially dangerous condition. During sleep, the throat muscles of people with OSA relax and block the airflow into the lungs, so that they repeatedly stop breathing. Common symptoms of ...

Cardiology

Statins may reduce heart disease in people with sleep apnea

A new study by Columbia University researchers suggests that cholesterol-lowering drugs called statins have the potential to reduce heart disease in people with obstructive sleep apnea, regardless of the use of CPAP machines ...

Cardiology

Poor sleep linked to years of poor cardiovascular health

Poor sleep could lead to between two and seven years worth of heightened heart disease risk and even premature death, according to a new study led by researchers at the University of Sydney in collaboration with Southern ...