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Sleep disorders news

Neuroscience

Scientists discover a signature 'wave' of activity as the brain awakens from sleep

Each morning, your brain embarks on a remarkable series of events: it transitions from being asleep, potentially in an alternate reality, to waking up. Within a short time, you regain waking consciousness, reorient yourself ...

Psychology & Psychiatry

Do women really need more sleep than men? A sleep psychologist explains

If you spend any time in the wellness corners of TikTok or Instagram, you'll see claims women need one to two hours more sleep than men.

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' ...

Health

How dairy might disrupt your sleep and dreams

Ebenezer Scrooge tried to wave away the ghost of Jacob Marley by blaming the apparition on "an undigested bit of beef … a crumb of cheese." Charles Dickens might have been writing fiction, but the idea that late-night dairy ...

Psychology & Psychiatry

Cheese may really be giving you nightmares, scientists find

Scientists have found that eating too much dairy could ruin your sleep. Researchers questioned more than 1,000 students about the quality of their sleep, their eating habits, and any perceived link between the two, and found ...

Health

Why frequent nightmares may shorten your life by years

Waking up from a nightmare can leave your heart pounding, but the effects may reach far beyond a restless night. Adults who suffer bad dreams every week were almost three times more likely to die before age 75 than people ...

Cardiology

Poor sleep and heart-related death

Elderly men who experience extended episodes of interrupted breathing while asleep have a high risk of heart problems. Research shows for the first time that poor blood oxygenation is a good indicator of the chance of heart-related ...

Sleep disorders

Age, BMI predict obstructive sleep apnea treatment success

(HealthDay)—Among patients with obstructive sleep apnea, older age and reduced body mass index (BMI) are predictors of upper airway stimulation (UAS) treatment response, according to a study published online Nov. 28 in ...

Sleep disorders

Monitoring movement reflects efficacy of mandibular splint

(HealthDay)—For individuals with obstructive sleep apnea (OSA) treated with an optimally titrated mandibular advancement splint, normalization of the respiratory effort index derived from vertical mandibular movements (MM-REI) ...

Sleep disorders

Snoring poses greater cardiac risk to women

Obstructive sleep apnea (OSA) and snoring may lead to earlier impairment of cardiac function in women than in men, according to a new study presented today at the annual meeting of the Radiological Society of North America ...

Cardiology

Artificial intelligence predicts treatment effectiveness

How can a doctor predict the treatment outcome of an individual patient? Traditionally, the effectiveness of medical treatments is studied by randomised trials where patients are randomly divided into two groups: one of the ...

Sleep disorders

Sleep apnea could favour tumor growth at young ages

A scientific study, conducted with animal models, states that sleep apnea can favour lung cancer growth in young individuals. Thus, aging would be a protecting factor against the fast tumor development, induced by this sleep ...

Sleep disorders

Portable sleep monitoring accurate in heart failure patients

(HealthDay)—For patients hospitalized with decompensated heart failure, portable sleep monitoring with respiratory polygraphy can accurately diagnose sleep apnea, according to a study published in the July issue of CHEST.

Sleep disorders

New study links poor sleep quality to atrial fibrillation

Poor sleep quality appears to be an important risk factor for atrial fibrillation, report scientists in the first study of its kind to demonstrate a relationship between poor sleep quality independent of sleep apnea and a ...