When we set our clocks back, the sun sets earlier, which means we have less daylight, and that can lead to lack of energy and even Seasonal Affective Disorder, or SAD, which is marked by signs of depression.

As we lose sunlight, our body starts to produce melatonin, the brain chemical that makes us tired. So in the summer when the sun is still shining at 7:00, we usually have a lot more energy than we do when it is pitch dark at 7.

If you are especially affected the sudden loss of daylight, here are some ways to adjust to less and maintain your energy levels.

  • 1

    Eat in a well-lit area

    Cozy up next to a sunny window and let the sun shine in while on your lunch break.  If the weather allows, get outdoors for lunch. Get exposed to as much light as possible.

  • 2

    Take a mid-day walk

    This is a two-fer. You get outdoor light as you reap the benefits of physical activity. Both will help you feel more energized.

  • 3

    Try light therapy

    Light therapy is a way to treat seasonal affective disorder (SAD) and certain other conditions by exposure to artificial light. During light therapy, you sit or work near a device called a light therapy box. The box gives off bright light that mimics natural outdoor light. Light therapy is thought to affect brain chemicals linked to mood and sleep, easing SAD symptoms. Using a light therapy box may also help with other types of depression, sleep disorders and other conditions. Lave the proper combination of light intensity, duration and timing. Light therapy probably won't cure seasonal affective disorder, nonseasonal depression or other conditions, but it may ease symptoms and increase your energy levels.

  • 4

    Maintain a healthy sleep schedule

    Reduce or eliminate caffeine and alcohol. Avoide exercise a few hours before bedtime.  Unwind and relaz gradually before going to bed and keep electronics and cell phones out of the bedroom.  The blue light can actually stimulate your brain.

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