In 1979, Pol Pot and the Khmer Rouge were forced from power by the invading Vietnamese. Pol Pot officially resigned the leadership in 1985 but appears to have retained considerable influence.
Muscle fatigue. Muscle fatigue is the decline in ability of a muscle to generate force. It can be a result of vigorous exercise but abnormal fatigue may be caused by barriers to or interference with the different stages of muscle contraction.
1 Ask your doctor if any of your medications could be causing your tiredness. In many cases, a simple switch could make a big difference.  Get your iron up. Anemia -- a shortage of iron in the blood -- is another common cause of fatigue.