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Sleep disorders news

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

Inflammation triples depression risk for older adults with insomnia, research indicates

Chronic inflammation, already tied to heart disease and cancer, may also worsen the emotional toll of poor sleep. A new UCLA Health study found that older adults with insomnia who experience inflammatory exposure face triple ...

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 ...

Neuroscience

How the brain controls blood flow during sleep

Even while we are asleep, the brain does not rest completely. Surprisingly, the blood flow in a sleeping brain can be greater than when it is in a wakeful state. This allows the brain to remove waste metabolites, which is ...

Alzheimer's disease & dementia

Sleeping pill found to reduce levels of Alzheimer's proteins

Sleep disturbances can be an early sign of Alzheimer's disease. Many people eventually diagnosed with Alzheimer's start experiencing difficulty falling and staying asleep years before cognitive problems such as memory loss ...

Health

Why employers should wake up to the value of naps at work

Well-being at work is being taken more seriously by many businesses these days. After all, recent research has shown that more than a quarter of Generation Z workers—those born between 1997 and 2012—seek out workplace ...

Health

Q&A: Can a supplement help you sleep?

DEAR MAYO CLINIC: I often struggle to fall asleep at night, and then I have difficulty staying asleep. This pattern tends to occur more in the springtime. A friend suggested I try melatonin. Are there any side effects to ...

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 ...