üleväsimus

Üleväsimus (literally “over-fatigue”) is a term used in Estonian medical discourse to describe a state of excessive, persistent fatigue that is not relieved by adequate rest and sleep and that impairs daily functioning. It is a descriptive concept rather than a single disease, and it can reflect a range of underlying causes. In medical literature, üleväsimus may be discussed as part of broader fatigue syndromes or as a consequence of specific conditions or lifestyle factors.

Common signs and symptoms include prolonged tiredness lasting weeks or months, reduced concentration and memory, diminished physical or mental performance, daytime sleepiness, headaches, muscle aches, and mood changes such as irritability. Because fatigue is nonspecific, üleväsimus is typically evaluated in the context of the person’s overall health, sleep quality, and daily activities.

Causes and risk factors are diverse. They can include insufficient or poor-quality sleep, high stress, overwork, sedentary behavior, poor nutrition, and substance use. Medical conditions such as anemia, thyroid disorders, diabetes, infections, sleep disorders (eg, sleep apnea, insomnia), and depression or anxiety can contribute. Medications and chronic illnesses may also play a role. Distinguishing üleväsimus from normal tiredness or from specific diseases is an important part of assessment.

Diagnosis is generally clinical, based on history and physical examination, with targeted laboratory tests or sleep studies to identify reversible contributors. Treatment focuses on addressing underlying causes, improving sleep and stress management, adopting balanced physical activity, and supporting mental health. Prognosis varies and often improves with appropriate management, though persistent cases require ongoing evaluation.

See also fatigue, chronic fatigue syndrome, sleep disorders.