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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 ...
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 ...
The earlier ICD-10 system categorized neurasthenia under "F48 – Other neurotic disorders". [22] Under "F48.0 Neurasthenia", the characteristics of the disorder differ among various cultures. Two overlapping symptoms can be present: Increased fatigue after mental exertion can be associated with a reduction in cognitive function.
Energy envelope theory is a form of pacing that states patients should aim to stay within their "envelope" of available energy, and by avoiding exceeding their energy levels the worsening of symptoms after mental and physical exertion (post-exertional malaise) should reduce, allowing for "modest" gains in functioning as a result. [13]
Mental energy is not well-defined, and the scientific literature on mental energy is quite limited. [1] A variety of measures for assessing aspects of mental energy exist. [1] Many people complain of low mental energy, which can interfere with work and daily activities. [1] Low mental energy and fatigue are major public health concerns. [1]
Reverso has been active since 1998, with the aim of providing online translation and linguistic tools to corporate and mass markets. [3] [4] In 2013 it released Reverso Context, a bilingual dictionary tool based on big data and machine learning algorithms. [5] In 2016 Reverso acquired Fleex, a service for learning English via subtitled movies.
Babylon has a patented [specify] OCR technology and a single-click activation that works in any Microsoft Windows application, such as Microsoft Word, Microsoft Outlook, Microsoft Excel, Internet Explorer and Adobe Reader. When activated, Babylon opens a small popup window that displays the translation or definition.
Those with mental health issues such as anxiety or depression may similarly find it challenging to go about seemingly simple tasks throughout the day, or to deal with a crisis. [ 7 ] [ 8 ] Spoon theory could even be used to show the exhaustion of having a newborn baby, as this situation often leads to a chronic lack of sleep on the part of the ...