[bernard1978]

Think about how much sleep you get compared to how exhausted you feel. If you're sleeping a full seven to nine hours a night, yet you still feel completely shot the next day, that could definitely be a sign that something more serious is going on. This is probably the biggest symptom of chronic fatigue symptom (CFS), a serious illness that can leave you feeling exhausted no matter how much sleep you get. Track your sleep and your feelings for at least a week to see if this seems like it could be you. If it does, see a doctor. Unfortunately, experts still don't know enough about CFS, but it's definitely worth speaking to a professional about