Philips Sunrise Personalized Alarm Clock

Last updated: August 15, 2022


The Philips Wake-Up Light Alarm Clock uses simulated sunlight to gradually rouse you from sleep. Thirty minutes before your desired wake-up time, the clock begins to glow, giving you the effect of waking during sunrise. You can also use this alarm clock as a reading lamp at night. It will gradually dim to help you fall asleep.

We looked at the top Alarm Clocks and dug through the reviews from some of the most popular review sites. Through this analysis, we've determined the best Alarm Clock you should buy.

Product Details

In our analysis of 60 expert reviews, the Philips Sunrise Personalized Alarm Clock placed 12th when we looked at the top 17 products in the category. For the full ranking, see below.

From The Manufacturer

Wake up naturally with a wake-up light and colored sunrise. Inspired by nature’s sunrise the Philips Wake-up light uses a unique combination of light therapy and sound to wake you in a more natural way. The color of the morning light changes from soft dawn reds through warm orange to bright yellow light. Developed with Philips’ Clinical Sleep & Respironics knowledge and 100+yrs of Lighting expertise. Frequency is 50/60 Hz.

Expert Reviews


What reviewers liked

The sunlight simulation is a far more pleasant and natural way to wake up, can be used as a bedside lamp, sunset simulation to help you fall asleep
The sunrise setting in the Philips Wake-Up Light is also highly advanced, transitioning from red to orange to bright yellow.
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It stimulates the conditions of sunrise to wake the user up in the most natural way possible using light therapy and 5 different natural sounds, leaving the user refreshed, instead of confused and disoriented like other abrupt alarms sounds.
The Philips HF3520 dawn simulator alarm clock is a wake up light featuring colour changing LED lights that replicate the changing tones of the sunrise.
This alarm has the most soothing simulated sunrise and sunset, which may help you feel less groggy. It has a good range of alarm sounds, a second alarm, power backup, and a sleek design.
One of the coolest features about this particular light alarm clock is that it doubles as a bedside lamp.
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The way the Philips Wake-Up Light works is simple and easy. You set up your preferred wake up time for your personalized sunrise.
Before you go to sleep you can set the light, which also works as a bedside reading lamp, to dim slowly. The LEDs inside are not replaceable but are designed to last for many years.
The clock will slowly bring light in around as the time comes to awaken, which has been proven to help with that transition by mimicking a natural circadian rhythm.

What reviewers didn't like

Buttons are poorly positioned, pricey
Although it’s a beautiful alarm clock, it lacks multimedia/aux/USB support (although it has an FM Radio) and is not recommended for deep-sleepers or college students.
The solid, orb-like shape of the HF3520 made it difficult to lift away from the nightstand when I was dusting. Although the rear extension makes it more stable, that also means you can’t align the clock against a wall.
A bit pricey
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LEDs are not replaceable. Control buttons can be fiddly
It’s a bit expensive, Round shape is fairly easy to knock over in morning confusion
View our Alarm Clock buying guide for in-depth advice and recommendations.

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