Search results
Results from the WOW.Com Content Network
Older adults who are excessively sleepy during the day or have significant sleep issues are at higher risk for a pre-dementia condition called motoric cognitive risk syndrome (MCR), according to a ...
National Geographic Magazine has reported that the demands of work, social activities, and the availability of 24-hour home entertainment and Internet access have caused people to sleep less now than in premodern times. [205] USA Today reported in 2007 that most adults in the USA get about an hour less than the average sleep time 40 years ago ...
After going through stages of REM-sleep, people with depression report feeling better, in a study done by Cartwright et al. [40] Conversely, a theory proposed by Revonsuo [41] states that when people experience negative emotions or negative events, when they sleep the REM-sleep replays such events, which is known as rehearsal. [39]
It showed a decrease in the subjects ability to "plan on the fly" and overall outcomes were less than those of well-rested cadets. [36] Another psychological test used to assess planning, decision making and other executive functions is the Tower of London test. After 45–50 hours of sleep deprivation, a study found subjects took longer and ...
Is five hours of sleep enough? Doctors explain how much sleep you need, quality sleep basics, health effects of sleeping 5 hours and tips for better sleep.
"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Obstructive sleep apnea is a common condition that impacts about 39 million adults in the U.S. But if ...
Most research on memory and aging has focused on how older adults perform worse at a particular memory task. However, researchers have also discovered that simply saying that older adults are doing the same thing, only less of it, is not always accurate. In some cases, older adults seem to be using different strategies than younger adults.
Children with PTSD have deficits in cognitive processes essential for learning; their memory systems also under-performs those of normal children. A study using the Rivermead Behavioural Memory Test showed that individuals with PTSD scored lower than controls on the memory test, indicating a poorer general knowledge.