If you've slept for hours but still feel sleepy, then you need to be alert to the presence of disease in the body. Drowsiness is a sign of a given body for the rest, which usually come at night or when feeling tired.
However, certain conditions can make people always feel sleepy, even in work time.What cause?
1. Anemia
Anemia is a major cause of sleep often comes. Anemia causes a lack of iron, red blood cells needed to carry oxygen to tissues and organs was reduced, causing people often feel sleepy.
2. Hypothyroidism (decreased thyroid hormone production)
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...