Fitness and wellness: 7 Reasons You are always tired

Feeling sluggish? Ditching these bad habits that drain your energy will help. An expert on fitness and wellness has provided these seven basic reasons why you are always tired.

1. You skip exercise when you're tired:

Skipping your workout to save energy actually works against you. In a University of Georgia study, sedentary but otherwise healthy adults who began exercising lightly three days a week for as little as 20 minutes at a time reported feeling less fatigued and more energized after six weeks. Regular exercise boosts strength and endurance, helps make your cardiovascular system run more efficiently, and delivers oxygen and nutrients to your tissues. So next time you're tempted to crash on the couch, at least go for a brisk walk—you won't regret it.

2. You don't drink enough water: Being even slightly dehydrated—as little as 2% of normal fluid loss—takes a toll on energy levels, says Amy Goodson, RD, a dietitian for Texas Health Ben Hogan Sports Medicine. Dehydration causes a reduction in blood volume, explains Goodson, which makes the blood thicker. This requires your heart to pump less efficiently, reducing the speed at which oxygen and nutrients reach your muscles and organs.

3. You're not consuming enough iron:

An iron deficiency can leave you feeling sluggish, irritable, weak, and unable to focus. "It makes you tired because less oxygen travels to the muscles and cells," says Goodson. Boost your iron intake to reduce your risk of anemia: load up on lean beef, kidney beans, tofu, eggs (including the yolk), dark green leafy vegetables, nuts, and peanut butter, and pair them with foods high in vitamin C (vitamin C improves iron absorption when eaten together), suggests Goodson. 

4. You're a perfectionist:

Striving to be perfect—which, let's face it, is impossible—makes you work much harder and longer than necessary, says Irene S. Levine, PhD, professor of psychiatry at the New York University School of Medicine. 

5. You skip breakfast:

The food you eat fuels your body, and when you sleep, your body continues using what you consumed at dinner the night before to keep your blood pumping and oxygen flowing. So, when you wake up in the morning, you need to refuel with breakfast. Skip it, and you'll feel sluggish. "Eating breakfast is like starting a fire in your body by kickstarting your metabolism," Goodson says. 

6. You live on junk food:

Foods loaded with sugar and simple carbs (like the ones you'll find in a box or at the drive-thru window) rank high on the glycemic index (GI), an indicator of how rapidly carbohydrates increase blood sugar. Constant blood sugar spikes followed by sharp drops cause fatigue over the course of the day, says Goodson. 

7. You have trouble saying 'no'

People-pleasing often comes at the expense of your own energy and happiness. To make matters worse, it can make you resentful and angry over time. So whether it's your kid's coach asking you to bake cookies for her soccer team or your boss seeing if you can work on a Saturday, you don't have to say yes. Train yourself to say 'no' out loud, suggests Susan Albers, a licensed clinical psychologist with Cleveland Clinic and author of Eat.Q.: Unlock the Weight-Loss Power of Emotional Intelligence. "Try it alone in your car," she says. "Hearing yourself say the word aloud makes it easier to say it when the next opportunity calls for it."