The premise behind bright light therapy is that increased light will have an effect on the body’s circadian rhythm which in turn works with the body ‘inner clock’ that regulates the body’s sleeping waking habits. Natural light plays a part in how much sleep is achieved. Using artificial light can help control that inner clock.

• Bright light therapy uses different devices to achieve its results:
• Light visor is placed over your eyes that generates a strong light.
• A special desk lamp that produces high levels of light.
• A light box is similar to the desk lamp in that it provides a steady level of light
• Dawn Simulator is a light box that simulates the sunrise

Usually bright light therapy has been associated with seasonal affective disorder or SAD. Your depression or your gloomy mood can be attributed to the lack of light during the winter season so bright light therapy can useful in this regard. However it is always wise to consult a doctor before trying any therapy.