Normally people feel sleepy at night or fatigue. But in some people, sleep can come constantly and do not care about time. What cause?Drowsiness is one of the marks given by the body for someone to rest. But in certain circumstances a person may feel sleepy most of the day.
Reported by WebMD, Wednesday (3/11/2010), here are some causes that make a person always feel sleepy:
1. Anemia
Anemia is a major cause of fatigue and sleepiness in women. Menstrual blood loss can cause iron deficiency. This is because red blood cells needed to carry oxygen to tissues and organs in the body.
2. Depression
You might think of depression as emotional distress, but also contributes to many physical symptoms. Fatigue, always sleepy, headache, and loss of appetite is one of the most common symptoms.
3. Hypothyroidism (decreased production of thyroid hormone in the thyroid gland)
The thyroid is a small gland at the base of the neck, which controls the metabolism and speed of change of fuel into energy. When the gland is less active and metabolic functions are too slow, one can feel lethargic body and always sleepy.
4. Dehydration
Fatigue and drowsiness can be a sign of dehydration. Segerala inadequate water in your body needs to always feel fresh and vibrant.
5. Sleep deprivation
Sleep deprivation can make people feel drowsy during the day, so it can affect concentration. Long-term impact, lack of sleep can also affect health. Adults should get 7 to 8 hours of sleep every night.
6. Heart disease
When you easily get tired and sleepy in performing daily activities, should you need to make sure that your heart in good circumstances.
7. Food allergies
Some doctors believe that food allergies can make a person feel sleepy. If you have a tolerance to the allergy, the symptoms initially only fatigue and not cause itching.
8. Chronic fatigue syndrome (Chronic fatigue syndrome)
When a person is tired, usually with the rest will be lost. But for this syndrome is not quickly disappear and are usually characterized by lethargy, drowsiness, irritability, muscle pain and in some cases memory loss.
source: (http://www.detikhealth.com/read/2010/11/03/075516/1483520/766/bila-rasa-kantuk-terus-terusan-datang)