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Nocturnal penile tumescence. Nocturnal penile tumescence (NPT) is a spontaneous erection of the penis during sleep or when waking up. Along with nocturnal clitoral tumescence, it is also known as sleep-related erection. Colloquially, the term morning wood, or less commonly, morning glory is also used, [1] although this is more commonly used to ...
Andrology, allergy, endocrinology neurology. Postorgasmic illness syndrome (POIS) is a syndrome in which human males have chronic physical and cognitive symptoms following ejaculation. [1] The symptoms usually onset within seconds, minutes, or hours, and last for up to a week. [1] The cause and prevalence are unknown; [2] it is considered a ...
Nocturnal emissions can happen after stressful dreams in REM sleep which activate the sympathetic nervous system, hence leading to ejaculation. [1] They can also happen after sex dreams. Nocturnal emissions can start as early as age nine, [2] and are most common during adolescence and early young adult years, but they may happen any time after ...
Between 34 and 45 percent of all adults aged 18 to over 65 reported to have unintentionally and frequently dozed off during the day.
Waking up tired is often due to sleep inertia, but sleep environment and habits also play a part. Here, doctors provide tips for waking up refreshed. Skip to main content. 24/7 Help ...
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Sleep. 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 environment.
Fatigue in a medical context is used to cover experiences of low energy that are not caused by normal life. [2] [3]A 2021 review proposed a definition for fatigue as a starting point for discussion: "A multi-dimensional phenomenon in which the biophysiological, cognitive, motivational and emotional state of the body is affected resulting in significant impairment of the individual's ability to ...