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Sleep disorders news

Neuroscience

Moderate to severe sleep apnea tied to higher risk of brain microbleeds

Research led by Korea University Ansan Hospital reports finding an association between moderate to severe obstructive sleep apnea and increased risk of cerebral microbleeds.

Health

Using your phone every night before bed? Researchers say that's okay

Scrolling on your phone before bed may not be as bad for your sleep as we once thought. New research from Toronto Metropolitan University (TMU) and the Université Laval suggests nightly screen use does not contribute to ...

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 ...

Health

Dangerous dreams: Inside internet's 'sleepmaxxing' craze

From mouth taping to rope-assisted neck swinging, a viral social media trend is promoting extreme bedtime routines that claim to deliver perfect sleep—despite scant medical evidence and potential safety risks.

Neuroscience

Why 'sleeping on it' may improve learning and memory

When faced with difficult tasks, sometimes people hit a mental wall and make the decision to "sleep on it." Returning to the task after sleeping, they often perform better. Why? Rhythmic brain activity during sleep transforms ...

Sleep disorders

The anatomy of sleeping in: Why you sleep more on vacation

There's something oddly luxurious about sleeping in. The sun filters through the curtains, the alarm clock is blissfully silent, and your body stays at rest. Yet sleeping in is often treated as an indulgence, sometimes framed ...

Health

Why it can be harder to sleep during the summer

As the days stretch long and the sun lingers late into the evening, most of us welcome summer with open arms. Yet for a surprising number of people, this season brings an unwelcome guest: insomnia.

Psychology & Psychiatry

Depression linked to 'internal jet lag'

A Sydney-based study of 69 young people seeking mental health care found almost a quarter showed disrupted body clocks that showed signs that looked like jet lag, despite not having traveled across time zones. The University ...

Sleep disorders

Daily exercise may be key to better sleep, new study finds

New research from The University of Texas at Austin suggests that exercising more frequently—ideally every day—could improve sleep quality, particularly the kind of deep, restorative sleep that supports better mood and ...

Sleep disorders

Oxytocin may reduce mood changes in women with disrupted sleep

Oxytocin, often called "the love hormone," may play a protective role in mood disturbances triggered by sleep loss and hormonal shifts during key reproductive transitions like postpartum and menopause, according to a study ...

Sleep disorders

Verbal response time reveals hidden sleepiness in older adults

A new study led by UCLA investigators shows that Verbal Reaction Time (VRT), the amount of time it takes a person to respond verbally, can be a marker of sleepiness in older adults. The study, which measured participants' ...