| 摘要 |
Disclosed embodiments are directed towards a system and method for awakening a user from a period of sleep by applying a stimulus of light for a period determined from a comparative analysis of the user's sleep stage and a desired wake time. One exemplary method includes setting an alarm time and then monitoring motion sensors to detect movements of the user that indicate the user is in a stage of light sleep. When it is determined that the user has entered a stage of light sleep, the alarm time may be compared with the timing of the light stage of sleep. If the alarm time coincides with the sleep stage timing, an alarm comprised of a gradually intensifying stimulus of light can be triggered to awaken the user. In some embodiments, the gradually intensifying stimulus of light can be made to simulate a dawn event of the sun rising.
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