What is burnout? Burnout is a state of emotional, physical, and mental exhaustion caused by excessive and prolonged stress. It occurs when you feel overwhelmed, emotionally drained, and unable to meet constant demands.

What does physically and mentally exhausted mean?

What Is Mental Exhaustion? 1 / 15. It's kind of like physical tiredness, except it's your mind instead of your muscles. It tends to show up when you focus on a mentally tough task for a while. You might also feel this kind of brain drain if you're always on alert or stressed out.

What causes mental and physical fatigue?

Other potential causes include medication, stress and ailments such as depression, fibromyalgia and autoimmune disease. Emotionally challenging experiences like divorce or death of a loved one can also contribute to brain fatigue.