If you awake confused and panicked at the sound of your alarm clock beeping in the dark, you may find mornings more pleasant with a wake-up light. For more than a month, we dove into the burgeoning research on circadian rhythms and woke before dawn with 10 different sunrise alarm clocks and two non-clock lighting devices. Our favorite, the Philips Wake-Up Light HF3520, emits soothing red-tinted dawn and dusk simulations and gentle wake-up sounds.
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