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For many over 65, a night of undisturbed sleep is not an option. The causes are varied, including menopause and sleep apnea. See what might keep you up.
Sleeping less also puts people at risk of mental health problems like anxiety and depression. One study found older adults who get five or fewer hours of sleep are at risk for developing multiple ...
This isn’t the first time that better sleep has been linked with a lower risk of dementia: A study published in October even found that people with sleep apnea are more likely to develop dementia.
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]
Sleep deprivation increases the number of errors made on working memory tasks. In one study, the working memory task involved illuminating a sequence of 3 or 4 coloured lights, then asking both sleep-deprived and non-sleep deprived people to memorize and repeat back the sequence.
A new study finds that both chronic and new anxiety can increase the risk of dementia but that treating anxiety could help eliminate this higher risk. Chronic and new onset anxiety may increase ...
Sleep debt or sleep deficit is the cumulative effect of not getting enough sleep. A large sleep debt may lead to mental or physical fatigue, and can adversely affect one's mood, energy, and ability to think clearly. There are two kinds of sleep debt: the result of partial sleep deprivation, and of total sleep deprivation.
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