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Fatigue is a state of tiredness (which is not sleepiness), exhaustion [1] or loss of energy. [2] [3]Fatigue (in the medical sense) is sometimes associated with medical conditions including autoimmune disease, organ failure, chronic pain conditions, mood disorders, heart disease, infectious diseases, and post-infectious-disease states. [4]
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 former type is, for example, shift work sleep disorder, which affects people who work nights or rotating shifts. The intrinsic types include: [ 3 ] Advanced sleep phase disorder (ASPD) – A condition in which patients feel very sleepy and go to bed early in the evening and wake up very early in the morning
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.
Personal resources, such as status, social support, money, or shelter, may reduce or prevent an employee's emotional exhaustion. According to the Conservation of Resources theory (COR), people strive to obtain, retain and protect their personal resources, either instrumental (for example, money or shelter), social (such as social support or status), or psychological (for example, self-esteem ...
An example of this is how direct exposure to sunlight has been proven to improve mood and has been used to treat symptoms of depression. [ 18 ] [ 19 ] Further, walking outdoors as opposed to walking indoors made individuals much happier, which additionally illustrates that nature has a positive effect on our mood. [ 20 ]
Lethargic or less energetic; Trouble staying awake or alert; Has drowsy or sleepy appearance; Gets lost in own thoughts; Apathetic or withdrawn, less engaged in activities; Loses train of thought or cognitive set; Processes information not as quickly or accurately
Lethargy is a state of tiredness, weariness, fatigue, or lack of energy. It can be accompanied by depression, decreased motivation, or apathy. Lethargy can be a normal response to boredom, inadequate sleep, overexertion, overworking, stress, lack of exercise, or a symptom of a disorder.