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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 ...
Here's how to distinguish "sundowning"—agitation or confusion later in the day in dementia patients—from typical aging, from doctors who treat older adults.
Why We Sleep: The New Science of Sleep and Dreams (or simply known as Why We Sleep) is a 2017 popular science book about sleep written by Matthew Walker, an English scientist and the director of the Center for Human Sleep Science at the University of California, Berkeley, who specializes in neuroscience and psychology.
Furthermore, the older adults' performances in free recall involved temporal contiguity to a lesser extent than for younger people, indicating that associations regarding contiguity become weaker with age. [19] Several reasons have been speculated as to why older adults use less effective encoding and retrieval strategies as they age.
Cardiorespiratory fitness is associated with improved cognitive function in older adults. ... Participants who engaged in less than 20 minutes per day of moderate-to-vigorous exercise three days ...
Most people do not get enough sleep each night because of life circumstances such as work or school, their lifestyle, poor sleep hygiene or sleeping disorders, Shelby Harris, Psy.D., a clinical ...
Deficient sleep patterns are prominent in many psychiatric ailments. [18] Insomnia increases the risk of a depressive episode, sleep deprivation influences the onset of hypomania, and sleep disturbance contributes to the maintenance of mood disorders. [19] Amongst manic bipolar patients, sleep loss may act as a trigger in the onset of a manic ...
Sleep deprivation is also implicated in impaired ability to retrieve stored long-term memories. When an aversive stimulus was included in a trial (i.e., a blowdryer blasting hot air and noise at a mouse), mice that were sleep deprived were less anxious on subsequent trials. This suggests they had not retrieved all of the memory related to the ...