Many people have heard of fatigue during pregnancy, but this condition with similar symptoms affects most of us in spring. In the time when flowers are blossoming, the nature is rejuvenating; people are feeling lazier and lethargic.     According to experts the lethargy causes are associated with the longer days, which affect our hormonal cycles and biorhythms. Headache nausea fatigue are the common complaints. However, other signs of fatigue may include loss of appetite, dizziness, lack of concentration, sleepiness and general mental fatigue.     Here comes the question...