Apple

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Eat a Snack in the Afternoon
Between the hours of 2 and 4 p.m., your energy levels naturally drop due to the rise and fall of the sun and your hormonal response. These circadian rhythms can make you feel tired and hungry. To keep your diet on track and boost your energy, try a snack with protein and carbohydrates, such as an apple with peanut butter or a small yogurt. You'll find a light snack with less than 200 calories will make a big difference in how you perform and feel throughout the rest of the day.
Women breathing

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Take 10 Deep Breaths
By focusing on your breath and visualizing yourself on a beach with a light breeze off the ocean, you will notice a visible increase in energy as you help your body's cortisol levels drop. In as little as two minutes, you will feel refreshed and relaxed. Other positive health benefits: a decrease in heart rate and lower blood pressure.
Women walking

Take a Brisk Walk
Walking is a great form of exercise and produces endorphins, which will give you a natural boost. It doesn't have to be a long walk—just 10 minutes can change your day and attitude!
Tuck and roll

Tuck and Roll
You probably will want to save this one for your living room floor, as office co-workers may stop and stare. Lie down on the floor, bringing your knees to your chest. Now, gently roll back to shoulder blades and tuck chin to your chest as you roll upward. By gently rolling on your back, you will help increase blood flow to the muscles around your spine and to your internal organs. It's like a somersault when you were a child, so you might even have some fun.
Woman sleeping

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Take a Nap
A 10- to 20-minute catnap, according to experts, can boost your energy. If you are not sleeping at least six hours per night, you may be sleep deprived, which means hormonal havoc for leptin, gherlin and your cortisol levels. These hormonal imbalances result in sluggish behavior, craving sweets and low energy. Just make sure you set the alarm so you don't sleep more than 10 to 20 minutes. Experts agree that longer doses of napping can have the opposite effect.