When you're fatigued, you're more than just tired. What distinguishes fatigue from just being plain old tired? First of all, fatigue is a persistent daily lack of energy that impairs our ability to function normally. There are dozens of causes, including anemia, underactive thyroid, diabetes, depression, food allergies and sleep apnea.

What should YOU do if you are suffering from chronic fatigue? First, make an appointment with your doctor. He/she will be able to determine whether or not your fatigue is the result of your lifestyle or a more serious medical concern.

If you and your doctor determine that your fatigue is an effect of situational factors, not an underlying medical problem, you might want to reevaluate how you've been living.

Here are my top 5 tips for beating fatigue and reclaiming your life:

1. Get 8 hours of sleep on a regular basis. The most restorative hours of sleep occur between 10pm and 2am, so make sure you go to bed on the early side if you're not already. No more burning the midnight oil.

2. Eat a healthy diet that includes plentiful servings of fruits and vegetables. Eating 5 or 6 small meals throughout the day helps me avoid the inevitable "food coma" that I fall into after scarfing down 2 or 3 big meals.

3. Cut out caffeine, alcohol, or drugs. I've never used drugs or been a big alcohol  drinker, but I do love my coffee. Replacing coffee with tea, however, has helped me maintain my energy and avoid "crashing" during the afternoon.

4. Take a daily multivitamin. Vitamin deficiencies are one of the most common chronic fatigue triggers. Pay careful attention to making sure you are getting enough iron and vitamin D.

5. Exercise at least 3-4 times a week. Add in meditation and/or weight training before or after your cardio routine to get the best results.