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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 ...
Somnolence (alternatively sleepiness or drowsiness) is a state of strong desire for sleep, or sleeping for unusually long periods (compare hypersomnia). It has distinct meanings and causes. It has distinct meanings and causes.
Lethargy is a state of tiredness, sleepiness, weariness, fatigue, sluggishness, or lack of energy. It can be accompanied by depression , decreased motivation, or apathy . Lethargy can be a normal response to inadequate sleep, overexertion, overworking, stress, lack of exercise, improper nutrition, drug abuse, boredom , or a symptom of an ...
“Regular age-related fatigue might involve feeling tired after physical exertion or a long day. In contrast, the sleep issues studied here include excessive daytime sleepiness (falling asleep ...
A somnolent person shows excessive drowsiness and responds to stimuli only with incoherent mumbles or disorganized movements. [8] Obtunded: Decreased alertness; slowed psychomotor responses In obtundation, a person has a decreased interest in their surroundings, slowed responses, and sleepiness. [9] Stuporous
Postprandial somnolence (colloquially known as food coma, after-dinner dip, or "the itis") is a normal state of drowsiness or lassitude following a meal. Postprandial somnolence has two components: a general state of low energy related to activation of the parasympathetic nervous system in response to mass in the gastrointestinal tract , and a ...
This could also cause a “marked lack of enthusiasm for daily tasks,” Porter says, adding that these symptoms “go beyond” normal fatigue. What is the connection between sleep and preventing ...
The 2021 NICE committee stated they consider the term PEM outdated, as it may give the impression of just a "vague discomfort", and argued that the term post-exertional symptom exacerbation better captures the symptom. Nonetheless, they decided to continue using PEM as it is the more familiar term. [10]: 49