Humans don’t hibernate, but we still need more winter sleep, study finds
Whether we're night owls or morning larks, our body clocks are set by the sun.
Theoretically, changing day length and light exposure over the course...
Long-term disrupted sleep may increase heart disease risk
In a study from Vanderbilt University, scientists found sleep irregularity—chronically disrupted sleep and highly variable sleep durations night after night—may increase the risk for...
Irregular sleep linked to higher risk of hardened arteries, study finds
Older people with irregular sleep habits may face a higher risk for hardened arteries than their peers with regular bedtimes and hours of sleep.
Why people with PTSD relive lots of fear memories in sleep
In a study from Virginia Tech, scientists found out why people with PTSD relive lots of fear memories in sleep.
During periods of rapid eye...
Common sleep supplement may help boost memory function
Scientists from Tokyo Medical and Dental University recently have found that melatonin and two of its metabolites help memories stick around in the brain...
How sleep loss can affect your cognitive ability
Anyone who has ever had a night of poor sleep or no sleep at all knows how much the lack of sleep can affect...
Common sleep drugs may increase dementia risk, study finds
In a study from the University of California San Francisco, scientists found that sleep medications increase the risk of dementia for people who are white.
But...
Sleep apnea linked to weaker bones and teeth in adults
In a study from University at Buffalo, scientists found obstructive sleep apnea may be linked to low bone mineral density in adults.
The findings are...
Scientists find new way to reduce symptoms of insomnia
A good night's sleep is crucial to health and well-being.
Numerous research studies have shown that insomnia can increase the risk of cardiovascular events, obesity,...
Common noise may help you sleep better, remember things better
Deep sleep is critical for memory consolidation.
Sleep disturbances have been observed in people with mild cognitive impairment, a warning sign for Alzheimer’s disease.
The biggest...