Light alarm clocks

Light alarm clock for late risers

Light alarm clocks are characterized by the fact that they use light as a wake-up signal in addition to sounds. For eample, a light alarm clock simulates a sunrise with slowly rising light. Thus, waking up by the light alarm clock is particularly gentle. But the opposite can also be the case if, for eample, the normal wake-up signal is supported by bright flashes in order to reliably get even the worst late riser out of his deep sleep.
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