What is the reason for losing energy during the day ?

There are many possible causes of fatigue. They can be divided into three general categories:

1. Activities of daily life
2. Physical health conditions
3. Mental problems

Activities of daily living

If you suffer from fatigue, your activities and other lifestyle choices may be the root cause. For example, fatigue can result from:

Physical exertion

Lack of physical activity
– Lack of sleep
– Being overweight or obese
– Periods of emotional stress
– Boredom
– Sorrow

Physical health conditions

Many medical conditions can cause fatigue. Examples of this:
– Anemia
Arthritis
Fibromyalgia
Infections, such as cold and flu
Addison’s disease, a disorder that can affect your hormone levels
Thyroid gland, hypothyroidism
Hypothyroidism, an overactive thyroid gland
Sleep disturbances, such as insomnia
Eating disorders, such as anorexia

Autoimmune disorders
Congestive heart failure
Cancer
– diabetic
Kidney disease
– Liver disease
Chronic obstructive pulmonary disease
– Emphysema

Mental problems

Mental health conditions can also lead to fatigue. For example, fatigue is a common symptom of anxiety, depression, and seasonal affective disorder.