Constant tiredness can be caused by various factors including not getting enough high quality sleep, nutrient deficiencies, stress, an underlying medical condition, poor diet, dehydration, or lifestyle habits such as lack of exercise or excessive caffeine intake. Certain medical conditions like thyroid problems, anemia, sleep disorders, depression, and chronic fatigue syndrome can also contribute to persistent fatigue. Additionally, psychological causes such as anxiety, burnout, grief, or emotional exhaustion may play a role. If fatigue is severe or long-lasting, it is important to consult a healthcare professional for diagnosis and appropriate treatment.
