Lethargy is the feeling of sleepiness or sluggishness. Some of the causes of lethargy are dehydration, fever, hypothyroidism, kidney failure, sleep apnea, stroke, and traumatic brain injury (TBI).
Causes of Chronic Lethargy - Factors that Contribute to Persistent Fatigue
Chronic lethargy is a state of exhaustion and lack of energy caused by mental and underlying health conditions. Read below for more.
The Legacy and Impact of Encephalitis Lethargica
Acute brain inflammation can be seen in patients afflicted with encephalitis lethargica, commonly called von Economo encephalitis or sleepy disease.
