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It has distinct meanings and causes. It can refer to the usual state preceding falling asleep, [1] the condition of being in a drowsy state due to circadian rhythm disorders, or a symptom of other health problems. It can be accompanied by lethargy, weakness and lack of mental agility. [2]
In the same article, the authors affirm that there is a high prevalence of sleepiness and symptoms of sleep disorders related to the circadian system in medical center nurses. [10] In a study done with around 1100 nurses, almost half of them (49%) reported sleeping less than 7 hours per day, a significant increase compared to national figures ...
Subjects undergo a series of five 20-minute sleeping opportunities with an absence of alerting factors at 2-hour intervals on one day. The test is based on the idea that the sleepier people are, the faster they will fall asleep. [15] [16] The Maintenance of Wakefulness Test (MWT) is also used to quantitatively assess daytime sleepiness. This ...
When a person struggles to fall asleep or stay asleep without any obvious cause, it is referred to as insomnia, [2] which is the most common sleep disorder. [3] Other sleep disorders include sleep apnea , narcolepsy , hypersomnia (excessive sleepiness at inappropriate times), sleeping sickness (disruption of the sleep cycle due to infection ...
Advanced Sleep Phase Disorder (ASPD), also known as the advanced sleep-phase type (ASPT) of circadian rhythm sleep disorder, is a condition that is characterized by a recurrent pattern of early evening (e.g. 7-9 PM) sleepiness and very early morning awakening (e.g. 2-4 AM).
Typically, the symptoms of IH begin in adolescence or young adulthood, although they can begin at a later age. [44] [15] After onset, hypersomnia often worsens over several years, [15] but it is often stable by the time of diagnosis and appears to be a lifelong condition. [4] Spontaneous remission is only seen in 10–15% of patients. [30] [45]
The main symptom of hypersomnia is excessive daytime sleepiness (EDS), or prolonged nighttime sleep, [7] which has occurred for at least 3 months prior to diagnosis. [8] Sleep drunkenness is also a symptom found in hypersomniac patients. [9] [10] It is a difficulty transitioning from sleep to wake. [10]
RMD occurs in both males and females, often during early childhood with symptoms diminishing with age. Many affected individuals also have other sleep related disorders, like sleep apnea . The disorder can be differentially diagnosed into small subcategories, including sleep related bruxism, thumb sucking, hypnagogic foot tremor, and rhythmic ...