13 Possible Reasons Why You're Always Exhausted

Depression: Persistent sadness, disinterest in activities, changes in appetite and sleep, guilt, hopelessness, suicidal thoughts.

Anxiety: Excessive worry, difficulty focusing, muscle tension, fatigue, sleep disturbances.

Stress: Feeling overwhelmed, irritable, difficulty sleeping, headaches, stomachaches.

Bipolar Disorder: Extreme shifts in mood, energy, and activity.

Attention-Deficit/Hyperactivity Disorder (ADHD): Difficulty paying attention, impulsivity, hyperactivity.

Underactive Thyroid: Fatigue, weight gain, depression, constipation.

Chronic Fatigue Syndrome: Severe fatigue, unrefreshing sleep, cognitive problems, muscle pain.

Fibromyalgia: Chronic widespread pain, fatigue, sleep disturbances.

Autoimmune Disorders: Fatigue, muscle pain, joint pain, skin rashes, digestive issues.

Sleep Apnea: Snoring, gasping for air during sleep, daytime fatigue, headaches.

Iron-Deficiency Anemia: Fatigue, weakness, pale skin, shortness of breath, headaches.

Dehydration and Inadequate Nutrition: Fatigue, headaches, constipation, dry mouth.

Lifestyle Factors: Fatigue, difficulty sleeping, lack of energy (e.g., excessive alcohol or caffeine consumption, lack of regular physical activity).