[. . . ] Unfortunately, modern living has dramatically altered nature's cues. A modern day no longer starts at the crack of dawn and ends at 8:00 PM. Workdays are getting longer and many people face shift work schedules. additionally , the advent of electric lighting allows social gatherings and personal activities to extend well into the night. [. . . ] If the goLITE® is connected to a power outlet, then the alarm will sound and the light array will turn on when the clock reaches the alarm time. If the goLITE® is operating on battery power then the alarm will sound but the lights will not turn on automatically, to conserve battery power. Because an imbalance in circadian rhythm affects everybody differently, understanding how it affects you is critical to feeling better. Knowing what time to use the goLITE® can mean the difference between responding in just a few days instead of weeks, and perhaps not responding at all. Follow these guidelines to understand how light affects your body clock and when to use the goLITE® for the best results. To turn off the alarm while it is sounding, press any button on the goLITE®. Most people get beneficial results from fifteen to thirty minutes of usage each day. You can star t using your goLITE® at 50% intensity and increase the level of light if you feel like your body is not responding within a week of beginning treatment. If you find it difficult getting up each day without an alarm clock or you are sleeping in, you need morning light. If you find it difficult staying awake in the late evening and wake up too early in the morning, you need evening light. If you don't notice a shifted circadian rhythm, use the goLITE® when you wake up in the morning for fifteen to thirty minutes and then again in the evening for approximately the same amount of time. Place the goLITE® further away from you during the evening treatment. This will keep your body clock from confusing the stronger morning signal with evening time. The goLITE® suppresses the nighttime hormones for at least two hours, and you may not be able to fall asleep. Use the following techniques to adjust your circadian rhythm to your work shift. For more detailed information about using your goLITE® to help adapt to shift work schedules, visit www. Many people benefit from receiving a 30-minute burst of light before work and then 15 minutes of light every three hours during work. This not only increases alertness and performance, but shifts the body clock as well. Within three days, your body clock will have changed to a night-shift schedule. Taking time-release melatonin upon arriving home after work may help accelerate the shifting of your body clock. After the second day, melatonin should not be necessary, and your body clock will have adapted to the new schedule. Note: When coming off of night shift work, it is important to wear sunglasses and avoid any bright light while going home. [. . . ] For most people, it is sufficient to use the goLITE® once a day. Keep in mind that using the goLITE® too late in the evening may adversely affect your sleep. The goLITE® emits safe levels of blue light, according to current standards. In fact, your goLITE® emits less blue light than other traditional forms of bright light therapy like full-spectrum, 10, 000 lux white fluorescent light. [. . . ]