Fatigue represents a constant feeling of tiredness that significantly burdens daily life, rendering normal activities difficult to complete. It can manifest both physically and mentally, affecting your cognitive and bodily functions, often leading to a decline in motivation, slower thought processes, reduced physical endurance, stiffness, among other symptoms. Various factors, such as vitamin deficiencies, hormonal imbalances, and irregular sleep patterns, significantly contribute to exhaustion. Some of the most common causes of fatigue include: Hormonal Imbalances: Conditions like hypothyroidism and adrenal insufficiency can lead to fatigue. Hypothyroidism refers to an underactive thyroid and slows the metabolism, causing feelings of tiredness. Individuals with adrenal insufficiency produce less cortisol, the hormone responsible for energy spikes during stressful moments. Their adrenal glands fail to provide the body with enough cortisol, leading to instances of fatigue. Vitamin Deficiencies: Low levels of vitamins B9 and B12 are often linked with fatigue. B12 deficiency commonly affects the elderly or those who adhere to plant-based diets due to its scarcity in plant foods. B9 deficiency can also arise in individuals with malabsorption syndromes like celiac disease, as it's harder for B9 to be absorbed into the bloodstream. Sleep Disorders: Sleep apnea and other disorders can lead to exhaustion as they disrupt the normal body clock that aids sleep and wakefulness. Factors like excessive night light exposure and obesity can become risk factors for these disorders. Diseases and Disorders: Chronic inflammatory conditions like rheumatoid arthritis often lead to chronic fatigue since they're caused by immune system malfunctions. Cancer is also a key cause of extreme fatigue, which can further aggravate due to cancer treatment. A plethora of health conditions, ranging from anemia to mental health disorders like depression and anxiety, can potentially contribute to feelings of fatigue. These include: Hypothyroidism Anemia (commonly caused by B Vitamin deficiencies) Sleep disorders including sleep apnea Cancer Adrenal insufficiency Diabetes Fibromyalgia Liver and kidney diseases Chronic fatigue syndrome Depression and anxiety While erratically experiencing fatigue is relatively normal, consistent feelings of tiredness persisting for more than two weeks might indicate serious underlying health issues. Hence, it would be advisable to schedule a consultation with your healthcare provider in such scenarios. Cater to Your Sleep Habits: A sound sleep can recharge your body and reduce feelings of fatigue. Ensuring good sleep hygiene through the regulation of pre-sleep habits and maintaining a comfortable sleep environment can facilitate better rest. Consider Supplements: Melatonin supplements can support the regulation of your sleep-wake cycle. However, it's essential to discuss such additions to your regimen with healthcare providers before starting. What Is Chronic Fatigue Syndrome? Chronic Fatigue Syndrome (CFS) refers to a health condition characterized by persistent and debilitating fatigue lasting for over six months. Associated symptoms might include impaired memory, headaches, muscle pain, sore throats, and non-refreshing sleep. How Can I Determine the Cause of My Fatigue? Fatigue can result from numerous health conditions, ranging from hormonal imbalances and nutritional deficiencies to chronic diseases such as cancer. Identifying the root cause is vital for effective treatment planning. Oncological screening, hormonal level evaluations, nutritional assays and more can be valuable examination tools in this regard.