here is a link to a great story that maybe can shed some light about MS fatigue to a non MSer
The story is about Lupus fatigue, but it still applies.
AMWTP Training Instructor
Idaho Falls, Idaho
Diagnosed with PPMS May, 2007
but still working at the present.
Tried just about everything there is for MS, including Tysabri
Waiting to start Cytoxin Treatments soon.