I am asking for my Sister. She never feels good. She is always tired and often stays in bed hurting all over. She isnt lazy or inactive. But , if she goes to get grocerys or just shop, the next day she can hardly go. zero energy and hurts so bad she cant get out of bed. sometimes she has these spells where her sugar will drop and she gets deathly sick at her stomach and passes out. she has had to go by ambulance several times while shopping. she ends up in the bathroom very sick to her stomach. she has had countless tests and nothing is showing up or anything. her Dr. says all the test come back ok. But, she is still feeling horrible. please please please tell me what it might be.