Hi Tracy, That can be indicative of Adrenal Fatigue/Exhaustion. The best way to test for this condition is through saliva testing. The test is done in one day -- saliva samples are taken about 4 times throughout the day. This test measure cortisol and DHEA levels in your body.

There's lots of information on the net about this. Here are just a couple of sites:

http://www.project-aware.org/Resource/articlearchives/adrenalfatigue.shtml

http://www.drlam.com/A3R_brief_in_doc_format/adrenal_fatigue.cfm