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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 ...
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 ...
The Canadian Consensus Criteria require "post exertional malaise and/or [post exertional] fatigue" instead. [20] [21] [22] [18] [23] On the other hand, the older Oxford Criteria lack any mention of PEM, [24] and the Fukuda Criteria consider it optional. Depending on the definition of ME/CFS used, PEM is present in 60 to 100% of ME/CFS patients. [6]
While fatigue is a natural part of aging, the study established a difference between that type of tiredness and a type of sleepiness that indicates more significant problems, Dr. Verna Porter, MD ...
A mildly depressed level of consciousness or alertness may be classed as lethargy; someone in this state can be aroused with little difficulty. [1] People who are obtunded have a more depressed level of consciousness and cannot be fully aroused. [1] [2] Those who are not able to be aroused from a sleep-like state are said to be stuporous.
If you’re an early-morning riser (meaning you get up between the hours of 4 a.m. and 6 a.m.) or a night owl (you go to bed after midnight), then consider scheduling a nap to help you avoid the ...
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.
If you've recently felt groggy or fatigued, you may want to consider switching up your diet -- here's why.