Dawn simulator alarm clock – Philips HF3520

A Review of the HF3520 Philips Wake up Light

HF350 Philips Wake Up Light

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.

Independently tested and clinically proven to help improve your mood and energy levels as well as your general waking experience.

  • Dawn simulator light that changes from red to yellow
  • 5 nature sounds or FM radio
  • Sunset function to help aid going to sleep
  • 20 different light intensities – ideal as a bedside reading lamp
  • 2 separate alarm clock set times.
  • more info

HF350 Philips Wake Up LightBuy Online

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Price information last updated on the 25th of October 2016 at 10:50 GMT
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com or Amazon.co.uk at the time of purchase will apply to the purchase of this product.

For those that have already used a natural light alarm clock will already be familiar with their benefits. A regular alarm clock, even when the sound starts low and builds can often shock your body out of sleep. This can have a measurable effect on your mood and energy levels. Alternatively a gradual light alarm clock will bring you gently to a place where the sound will not jolt you. This is especially useful in winter months when it’s still dark in the early hours.

There are many different types of natural light alarm clocks available, but only a few that have the dawn simulator color changing feature, of those I’ve tested, the Philips HF3520 wake up light is by far the best.

Philips HF3520 dawn simulator alarm clock – Design

The HF350 Philips Wake up light is very similar in shape and design to the rest of their natural light alarm clock range.

The front of the clock has a touch sensitive display that you can use to adjust it’s setting as well as physical buttons positioned around the rim of the clock. The sides of the HF3520 taper down to an oval shaped perforated speaker cover which is neatly recessed into the rear.

For an alarm clock with so many features and settings, the HF3520 is exceptionally simplistic in its design.

The Philips HF3520 Dawn simulator alarm clock
Philips HF3520 dawn simulator alarm clock – Features
  • Dawn Simulator, Sunset and Sunrise settings – The Philips HF3520 features color changing LED lights that go from red to orange to yellow or back the other way, should you wish to use the alarm clock as a night light that will gradually darken like a sunset.  Both the sunset and sunrise features can be set to a specific time preference.

    Gradual light alarm clock with a sunset and dawn simulator feature

  • Intuitive dimming display – This is a really clever feature, the brightness will automatically adapt depending on the natural light in the room

  • Tap to snooze function – No need to hunt for the snooze button, the Philips HF3520 is touch sensitive no matter where you make contact.  The snooze can be used twice and has a 9 minute interval.
  • Natural Sounds or FM Radio – The HF3520 comes with 5 natural sounds which will gradually increase in volume once the dawn simulator has reached its brightest setting. The maximum volume can be set and will increase gradually over 90 seconds.  The sounds include song birds, gentle piano music, the ocean, a zen garden and the sounds of a forest.  The FM radio is also a nice feature, but I’d never use it just because you cannot be sure what’s going to play. It doesn’t matter how amazing this Philips wake up light is, if you are woken by a Justin Bieber track it’s not going to be a pleasurable experience.
  • Adjustable Reading Lamp – With over 20 different light intensity levels the HF3520 makes a very practical bedside reading lamp.
  • for the complete list of features click here

For a comparison table to compare the Philips HF3520 dawn simulator alarm clock to their other wake up light models click here.

Philips HF3520 dawn simulator alarm clock – Price and Availability

The Philips HF3520 dawn simulator alarm clock is available to buy on Amazon.com from $139.99.

Buy Online

Price information last updated on the 25th of October 2016 at 10:50 GMT
details »

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com or Amazon.co.uk at the time of purchase will apply to the purchase of this product.

9 COMMENTS

  1. Where I’m from the days are really short. I can’t bare to wake up in darkness every morning, it really does effect ones mood 🙁 Since I’ve been using the phillips wake up light (I have the one with the sunrise simulator) it’s made a huge difference.

  2. It’s worth paying the extra for the HF3520 model, the other Philips wake up light models don’t have that nice red glow that this one has. I don’t often see the red glow in the morning though as I’m still asleep most of the time at that stage, but it’s nice to drift off to sleep in the evening with the sunset simulation.

  3. Bought one for my husband, he gets up before the sun rises, and is always grumpy. It seems to have made big difference. I barely ever hear the alarm sounding, where as before I’d have to literally shake him before he would turn the damn thing off.

  4. Thanks for the review.,

    It would be good if Philips brought out a wake up light with a DAB radio and bluetooth audio streaming built in. Do you know if there are any other wake up lights on the market with those features?

  5. Dawn simulator alarm clocks really do work, I have been using this model for over 2 years now and it makes a huge difference to my mornings, unless I’m hung over 😉

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