As we head into the dog days of summer, you may find yourself at an increased risk of dehydration and heat-related problems.

Kathleen Barnes, guest from the “Food is Medicine” series, has answers to these questions and more:

Do you wake up feeling like you’ve never been asleep? Do you lie awake at night?

Do you feel fuzzy-headed and are prone to headaches, muscle aches, and general pains?

These symptoms are part of a basket of maladies that might be chronic fatigue syndrome (CFS). They could also describe hypothyroidism or adrenal fatigue.

Just because you sleep at night, doesn't mean you're fully rested.

Juggling the demands of family, career and a social life can leave you feeling exhausted, day in and day out.

Feeling overly tired? Get some tips on a better night's sleep.

Each week, host Dr. Susanne Bennett shares with her listeners Nature's Secrets to a healthier body. This week: Natural Remedies for Hormone Imbalance.

Sleep takes up about a third of your life (and impacts the other two-thirds). So why don't we give it the attention it deserves?

Do you chronically feel fatigued, have low energy and need time to catch your breath? You may be suffering from anemia.

Do you constantly have trouble sleeping and end up feeling tired almost every day? Help is here!

Dr. Holly welcomes health coach, Sarah Corey, as a guest blogger this week. For more from Sarah and Dr. Holly on this topic, listen to their conversation about Struggling to Sleep: Is there Too Much Light in Your Bedroom?

Now, here's Sarah:

We all know that getting a good night sleep is an important part of a healthy lifestyle. Studies continuously show that achieving 7-9 hours of restful sleep nightly can have many health benefits including reduced the risk of chronic diseases, stress relief, improved cognitive function, weight control and even weight loss.

In our every connected digital age many of us are being exposed to light by our devices right up until the moment we get into bed, and for many of us, we even take these devices in bed! All light can disturb our sleep, however the light omitting from laptops, iphones and ipads is blue wave light, a wavelength that can be most destructive to our sleep cycle.

This light inhibits our pineal gland from releasing a hormone called melatonin, which helps reduce alertness and put you to sleep. At a very basic level melatonin production is stimulated by darkness and inhibited by light.

While light affects our sleep and health in many ways, there are four main ways that this lack of sleep may be affected our bodies:

Did you know that one teaspoon of powdered caffeine is equivalent to 30 cups of coffee?

Low iron levels can lead to loss of energy, chronic exhaustion, hair loss, peeling fingernails and dark circles under your eyes.

Your thyroid and adrenals are like Jack and Jill -- so tightly bound together -- it's not effective to address one without the other.

Not sleeping is doing more harm to your physical and mental than you might have thought.

Chronic Fatigue Syndrome is marked by severe tiredness that is not relieved by rest. CFS can also cause other health issues.

Herbs are a safe, gentle and non-toxic way to stabilize your mood, particularly if you're a new mom.

Are you constantly bloated, exhausted or suffering from brain fog? You may have candida overgrowth and not even know it.

"Every stress leaves an indelible scar and the organism pays for its survival after a stressful situation by becoming a little older"- Hans Selye

A hormone imbalance can leave you feeling depressed, sick or tired... or just plain crappy all over. What's the solution?

Hypothyroidism can develop slowly, so you may not notice its symptoms right away.

Feeling sluggish? Cordyceps and Korean ginseng provide quick and lasting energy, without undesirable side effects.

Learn what makes a good energy drink and what makes a not-so-good energy drink – ones you'll probably want to avoid.

Is your thyroid medication not working – even at higher doses? You might want to test your reverse T3 level.

Wouldn't it be great if there was an antidote to the extreme "burn-out" you're constantly challenged by? There is.

Feeling stressed? Overwhelmed? Out of balance? Find out how you can use your heart rate to quickly get back on track.

Secrets for linking food choices to how you look and feel and for alleviating common health complaints.

Feeling like you're running on fumes? Your body and mind might be telling you that you've had enough.

The seven major factors combine in this busy world to act as "energy drains" and overwhelm you.