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Sleep apnea, obstructive sleep apnea, obstruction of the airway during sleep, causing lack of sufficient deep sleep, often accompanied by snoring. Other forms of sleep apnea are less common. [ 89 ] Obstructive sleep apnea (OSA) is a medical disorder that is caused by repetitive collapse of the upper airway (back of the throat) during sleep.
For healthy individuals with normal sleep, the appropriate sleep duration for school-aged children is between 9 and 11 hours. [4] [5] Acute sleep deprivation occurs when a person sleeps less than usual or does not sleep at all for a short period, typically lasting one to two days. However, if the sleepless pattern persists without external ...
The evidence for this phenomenon has been collected from home dream reports in psychotherapy and from laboratory dreams collected after waking a participant in a REM sleep phase. [36] Adults often remember dreams which have a negative emotional component, whereby women recall more dreams than men and dream recall is associated with a higher ...
Sleeping Girl, Domenico Fetti, c. 1615 . Sleep is a state of reduced mental and physical activity in which consciousness is altered and certain sensory activity is inhibited. . During sleep, there is a marked decrease in muscle activity and interactions with the surrounding environm
A 2023 systematic review [39] demonstrated that just stimulus control and sleep restriction are effective treatment options for insomnia in older adults. It also indicated that when combined, they generate improvements with a magnitude similar to that of full CBT-I, in as little as two therapeutic sessions.
Professor Jim Horne, director of Loughborough University's Sleep Research Centre, explains that "for women, poor sleep is strongly associated with high levels of psychological distress and greater ...
For older Americans, mental health diagnoses are becoming more prevalent. Between 2019 and 2023, the 65+ age group collectively experienced a 57.4% increase, according to a study by FAIR Health ...
Delayed sleep phase disorder can be misdiagnosed as insomnia, as sleep onset is delayed to much later than normal while awakening spills over into daylight hours. [23] It is common for patients who have difficulty falling asleep to also have nocturnal awakenings with difficulty returning to sleep. [24]