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Price: $104.99
- Light therapy lamp and natural sunrise alarm clock for improving your sleep, energy, and well-being
- Philips’ #1 best-selling wake- up light alarm clock. Only Philips wake- up lights are clinically proven to help you wake up feeling more refreshed
- Relax and drift off to sleep with dimming sunset and sounds. Colored sunrise simulation alarm clock wakes you gradually with a natural light lamp and a speaker that plays a choice of 5 wake-up sounds, or FM radio with tap-to-snooze
- New! PowerBackUp+ feature maintains internal clock settings and back-up alarm for at least 8 hours in the event of power failure
- 90 Day No Hassle Money Back Guarantee from Philips and can be used as a bedside reading lamp with 10 brightness settings
- Power Output: 12W; Voltage: 100/240 V
The Philips HF3520 wake-up light features 20 different colored brightness settings, the HF3520 offers a steadily increasing light beginning at 20 to 30 minutes prior to your scheduled alarm time. Additionally, the HF3520 offers 200 lux maximum light intensity and no replacement bulb is needed for the life of the unit, which provides years of value and better mornings.
Beyond the colored sunrise simulation, the Philips does offer a more traditional alarm style with an FM radio and tap snooze function that allows for an extra nine minutes of sleep. The non-slip rubber feet provide easy placement anywhere on a nightstand where the HF3520 can pull dual-duty as a bedside lamp for reading or relaxing. While there’s bound to be a transition period from a traditional alarm to a wake-up light, the chance to have more energy and better concentration right from the get-go make the HF3520 a must-own.
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Philips HF3520 Light Therapy Alarm Clock Review
- Best Overall: Philips HF3520 at Amazon, “It features 20 different colored brightness settings”
- Runner-Up, Best Overall: Philips HF3505 at Amazon, “It has two gradually increasing natural sounds for a more traditional wake-up”
- Best Multifunctional: Philips Somneo at Amazon, “There are also a number of wind-down modes that do the reverse of the wake-up.”
- Best Budget: totobay at Amazon, “Wake-up light that will help you gently wake from a deep sleep by gradually increasing.”
- Best Light Therapy: Circadian Optics Lumos at Amazon, “The 10,000 lux UV-free light perfectly mimics sunlight.”
- Best Design: Electrohome at Amazon, “What it lacks in options it more than makes up for in style and looks.”
- Best Value: iHome Zenergy Bedside Sleep Therapy Machine at Amazon, "Has a bevy of other features beyond just the alarm setting."
- Runner-Up, Best Value: PETBROO Sunrise Alarm Clock at Amazon, "Uses a gradual wake-up light that steadily brightens over a 30-minute period."
- Best for Kids: Mirari OK to Wake! Alarm Clock at Amazon, "Helps children build healthy sleep and wake habits from a young age."
- Best Features: Sharp Sunrise Simulator at Target, “The sunrise functionality acts with up to 40 minutes of gradual wake-up lighting.”




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