Lethargy is a prolonged state of exhaustion with low energy. It differs from fatigue, which is a constant feeling of extreme tiredness. Can be a normal response to life circumstances or a symptom of illness
🥱 represents tiredness or lack of sleep. Can indicate boredom with people or topics. Shows closed eyes and wide-open mouth in yawn
Lack of sleep affects mental and emotional resilience. Exhaustion from work or caregiving can lead to feelings of emptiness. Chronic sleep deprivation sets stage for negative thinking
Immediate medical attention needed for chest pain, difficulty breathing, or unusual tiredness. Overdose symptoms include confusion, seizures, and swelling of extremities
Lactic acidosis can cause death, hypothermia, and bradyarrhythmias. Risk increases with renal/hepatic impairment and age over 65. Symptoms include malaise, myalgia, respiratory distress, and somnolence
The symbol "ZZZ" represents sleep since at least 1918. The earliest reference was in 1852's "dry z-ing of the locust". The Katzenjammer Kids comic strip popularized the symbol in 1903. The American Dialect Society formalized its use in 1918