11.Fatigue Cause No. 14: CFS and Fibromyalgia
If your fatigue lasts more than six months and is so severe that you can’t manage your daily activities, chronic fatigue syndrome or fibromyalgia are a possibility. Both can have various symptoms, but persistent, unexplained exhaustion is a main one.
12.Fatigue Cause No. 13: Food Allergies
Some doctors believe hidden food allergies can make you sleepy. If your fatigue intensifies after meals, you could have a mild intolerance to something you’re eating — not enough to cause itching or hives, just enough to make you tired.
