Managing light exposure properly is important in setting your circadian rhythm because it influences melatonin production. Known as the "hormone of darkness," melatonin is a naturally-occurring hormone released by the pineal gland in your brain. When the sun begins to set, your brain is exposed to less light, thereby increasing melatonin production and inducing sleepiness. As the sun rises in the morning and we are exposed to light upon awakening, your melatonin production stops, and you become more alert as you spend more time in the light.
In today's electronics-driven, 24-hour workday, always "on" society, you rely more and more on electronics to set your body clock. This can be problematic for many people. You're biologically programmed to go to bed at night and be awake and alertRead More »from Improve Your Sleep While You're at Work