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Why Am I Always Tired? Top 15 Causes of Fatigue

Feeling exhausted is so common that it has its own acronym, TATT, which stands for ‘tired all the time’. Any serious illness, especially painful ones, can make you tired. If you’re suffering from constant fatigue, it’s a sign that your body’s normal systems are being disrupted. But some quite minor illnesses can also leave you feeling washed out.

Fatigue cause side effects like Feeling exhausted (mentally and physically), Being tired even after sleep, Inability to bounce back from illness, Headaches, Joint pain, Depression, Poor short-term memory, confusion, irritability and Food cravings. Getting your energy back could be simpler than you think. Start by seeing if you can relate to the top reasons for feeling drained. 

Why Am I Always Tired

Top Causes of Fatigue

1. Poor Sleep

Insomnia or lack of sleep is the main cause for fatigue in men and women. Be careful when you are burning the midnight oil, lack of sleep may be causing fatigue next days. Your age has a lot to do with sleep requirements.  Babies need about 16 hours a day and teenagers about nine. Most adults need seven to eight hours a night. 

2. Anemia 

This is another major reason mainly in ladies occurs  when our body doesn’t have enough red blood cells to carry sufficient oxygen to your tissues and organs. It can be diagnosed with a blood test. Your body needs vitamin B12 to make red blood cells and keep neurons functioning properly. 

Because only animal foods naturally contain B12, vegetarians and vegans face an elevated risk. Low iron levels lead to poorly formed red blood cells that deprive your body of refreshing oxygen.


3. Poor Eating Habits

Not eating enough or having the wrong foods cause fatigue. When you starve the day for weight loss  your blood sugar will peak and crash, leaving you sluggish. Start your day with a rich breakfast  include protein and complex carbohydrates, like eggs and wholemeal toast.

4. Thyroid Problems

This  small gland in your neck controls your metabolism. This is the speed at which your body converts fuel to energy. When the thyroid gland is under active and metabolism functions too slowly you may feel sluggish and put on weight.  A blood test confirms if you have low thyroid levels and go on with treatment.

5. Chronic fatigue syndrome (CFS)

Chronic fatigue syndrome which is also called myalgic encephalomyelitis or ME. This is a severe and disabling tiredness that goes on for at least six months. There are usually other symptoms, such as a sore throat, muscle or joint pain and headache along with this.

Sleep Apnoea

6. Sleep Apnoea

This is a special condition in which throat narrows or closes during sleep and repeatedly interrupts your breathing. This happens when you sleep and  results in bad snoring and a drop in your blood’s oxygen levels. The difficulty in breathing means that you wake up often in the night, and feel exhausted the next day.

7. Urinary tract infection (UTI)

Most common symptoms of a urinary tract infection involves Pain or a burning feeling during urination, feeling of urgency, altered appearance of the urine, Pain or pressure in the rectum etc. This cause Tiredness, weakness and severe fatigue. 

8. Food intolerance

Hidden food intolerance or allergies can cause fatigue. In fact, fatigue may be an early warning sign of food intolerance or food allergy. If so you have to cut out certain foods that cause a variety of symptoms, including sleepiness within 10 to 30 minutes of eating them. 

 Food intolerance

9. Diabetes

Diabetes is a long-term condition caused by too much sugar in the blood, is feeling very tired. Other than the person may feel very thirsty, going to the toilet a lot, and weight loss. Your GP can diagnose diabetes with a blood test.

10. Heart disease

Most of the patients who had heart attacks said they had trouble sleeping and felt unusually fatigued in the weeks beforehand. Blocked arteries or a weak heart muscle reduce blood flow, and poor oxygen supply which they need to function properly. If doubts, go for stress test or an echocardiogram to screen for heart disease. 

11. Depression

This is the psychological reason behind the fatigue. If you are sad, feel drained of energy. This  can stop you dropping off to sleep or cause you to wake up early in the morning, which makes you feel more tired during the day. 


12. Glandular fever

This is a very common viral infection that causes fatigue along with fever, sore throat and swollen glands. This found in teenagers and young adults. Usually, glandular fever symptoms clear up within four to six weeks, but the fatigue can linger for several more months.

13. Dehydration

If you  failed to replace a mere 1.5% of their water weight, most probably you may experience fatigue. Neurons in your hypothalamus—the brain region responsible for controlling things like hydration and body temperature. This helps in  an early warning to drink more water. You should have to pee at least once every three hours and your urine should have a light lemonade-colored tint. 

14. Stress

The levels of the stress hormone cortisol run highest in the morning and dip down at night, helping you maintain a normal daily rhythm. If your body remains on constant alert, your cortisol levels may never fall off at night, disrupting your sleep. This cause fatigue in morning.


15. Lack of Exercise

Spending sedentary drains your fuel tank even though you’re merely idling. A stressful day at work cranks up your cortisol and blood glucose levels. Try some thing outside in the evening to  release that energy and tension. Start moving if you’re sedentary. Women who gets enough work out report less fatigue. 

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