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Terminal lucidity (also known as rallying, terminal rally, the rally, end-of-life-experience, energy surge, the surge, or pre-mortem surge) [1] is an unexpected return of consciousness, mental clarity or memory shortly before death in individuals with severe psychiatric or neurological disorders.
Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a disabling chronic illness.People with ME/CFS experience profound fatigue that does not go away with rest, as well as sleep issues and problems with memory or concentration.
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 ...
A general lack of energy, fatigue, and tiredness that cannot be otherwise explained is also a symptom of a major depressive episode. [3] A person may feel tired without engaging in any physical activity, which may cause day-to-day tasks, such as showering, to become unmanageable. [10]
The insufficiency of energy, i.e. sub-optimal aerobic metabolism, generally results in the accumulation of lactic acid and other acidic anaerobic metabolic by-products in the muscle, causing the stereotypical burning sensation of local muscle fatigue, though recent studies have indicated otherwise, actually finding that lactic acid is a source ...
Terminal illness or end-stage disease is a disease that cannot be cured or adequately treated and is expected to result in the death of the patient. This term is more commonly used for progressive diseases such as cancer , dementia , advanced heart disease , and for HIV/AIDS , or long COVID in bad cases, rather than for injury .
Causes Narcolepsy , idiopathic hypersomnia , circadian rhythm sleep disorder , sleep apnea , others Excessive daytime sleepiness ( EDS ) is characterized by persistent sleepiness and often a general lack of energy, even during the day after apparently adequate or even prolonged nighttime sleep.