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Frequently Asked Questions

What are the effects of the Wake-up Light?

The Wake-up Light gradually increases over 30 minutes before your wake up time, thus positively affecting your energy hormones. Read more about these benefits below:

The information on this page applies to the following models: HF3550/01 , HF3531/01 , HF3505/01 , HF3500/01 , HF3510/01 , HF3520/01 , HF3470/01 , HF3490/01 . more less

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