Waking Up Gently: How Sunrise Alarm Clocks Compare
Philips SmartSleep Wake-up Light HF3520 leads this comparison with 20 brightness levels and an FM radio backup. The Philips HF3500 delivers most of that performance for less. Sleepers who want app-based scheduling should look at the Hatch Restore 2 instead.
Light that ramps up before an alarm sound wakes some sleepers with less of a jolt than a sudden beep. Philips’ SmartSleep Wake-up Light HF3520 covers this with 20 brightness levels and a built-in radio, while the HF3500 trims a few features for a lower price. Hatch Restore 2 goes further, putting both wake and wind-down routines under app control.
Not every sunrise clock actually simulates a full sunset, and brightness range varies more between models than marketing photos suggest. We compared stated light levels, sound options, control method and owner reports on whether the gradual wake feature performs as described.
Our top picks

Philips SmartSleep Wake-up Light HF3520
Twenty brightness levels create a genuinely gradual wake-up instead of a light that just switches on. A built-in FM radio and natural sound options back up the light for sleepers who still want an audio cue. People tracking their own sleep patterns report falling asleep faster during the sunset wind-down phase too.
Pros
- 20-level range gives a truly gradual wake
- Sunset feature doubles as a wind-down tool
- FM radio adds a familiar backup alarm
Cons
- No smartphone app for remote control
- Larger footprint than minimalist models

Philips Wake-up Light HF3500
The same core light simulation as pricier Philips models ships here with fewer brightness steps. A simple dial interface skips the learning curve some app-based clocks require. Owners upgrading from a standard beeping alarm mention calmer mornings as the main improvement.
Pros
- Reliable Philips light simulation at a lower cost
- Dial control needs no setup or app
- Natural sound options avoid a harsh beep
Cons
- No sunset wind-down feature included
- Fewer brightness steps than the HF3520

JALL Sunrise Alarm Clock
Multiple color options let the light double as a nightstand mood light outside of alarm use. Seven natural sound choices back up the visual wake-up cue. First-time buyers testing the concept tend to choose this mainly for its low entry cost.
Pros
- Low cost for a full sunrise feature set
- Color options double as a mood light
- Seven natural sounds avoid a jarring beep
Cons
- Light output dimmer than premium models
- Plastic housing feels less durable long term

Hatch Restore 2
A companion app schedules sunrise, sunset and sound routines without touching a single button at night. Built-in sleep sounds and a reading light cover more than just the alarm function. Owners who prefer adjusting settings from a phone rather than a nightstand dial rate the app control highest.
Pros
- App scheduling covers full day and night routines
- Doubles as a reading light and sound machine
- Touch controls still work without opening the app
Cons
- Requires an app and account for full features
- Costs more than manual dial alternatives

VAVA Sunrise Alarm Clock
A straightforward sunrise ramp works right away with no setup beyond the wake time. FM radio and nature sound alarms offer a choice beyond the default beep. Owners who want the basic effect without extra smart features call the simplicity a plus, not a limitation.
Pros
- Easy setup with no app required
- FM radio adds a familiar wake option
- Solid brightness range for the price
Cons
- No sunset or wind-down feature
- Display can’t dim as low as some rivals

Casper Glow Light
A rechargeable, cordless design lets the light move between the nightstand and another room easily. Twist controls dim the light manually for reading or a gentle glow before sleep. Owners who dislike cluttered clock faces single out the pared-down design as the main appeal.
Pros
- Cordless design allows portability room to room
- Twist dial needs no menus to learn
- Doubles well as a reading or wind-down light
Cons
- No built-in alarm sounds or radio
- Lacks a stepped brightness display for precise timing

Elviros Sunrise Alarm Clock
Two independent alarm settings suit shared bedrooms where partners wake at different times. A large display shows time, date and temperature alongside the sunrise function. Couples with different schedules mention the dual alarm as the reason they chose this over single-alarm models.
Pros
- Dual alarms suit two different schedules
- Large display adds date and temperature readout
- Sunset dimming helps with falling asleep
Cons
- Button layout takes time to learn
- Light output weaker than premium Philips models
What to look for
What to look for in a sunrise alarm clock Brightness range and the number of dimming steps decide how gradual the wake-up feels, so more levels generally means a smoother ramp. Sunset simulation is a separate feature from sunrise, useful for winding down at night, and not every model includes it. Sound options matter as a backup for deep sleepers who need more than light alone. Control method, whether a dial, buttons or an app, affects how easy nightly adjustments are.
Does a sunrise alarm clock actually work? Light exposure before waking can help regulate circadian rhythm and ease the transition out of sleep for many people. Effectiveness varies by individual, and some deep sleepers still need a sound alarm as backup. Models offering both light and sound, like most on this list, cover that gap. Results tend to build over consistent use rather than appearing after a single night.
Best sunrise alarm clocks with smart features App-controlled models like the Hatch Restore 2 add scheduling flexibility that manual dial clocks cannot match. These suit anyone already comfortable managing smart home devices from a phone. The tradeoff is a higher cost and a dependency on an app staying supported over time. Manual dial models stay simpler and need no account setup at all.
Best sunrise alarm clocks for simple, no-app use Dial and button-only clocks like the Philips HF3500 or VAVA model suit anyone who wants the light effect without extra setup. These generally cost less than app-connected alternatives while still delivering the core gradual brightness feature. Skip smart features entirely if a calmer wake-up method is the only goal. Budget models like the JALL clock cover that need at an even lower price.
The lineup, side by side
| # | Model | Brightness levels | Best for | Score | Price |
|---|---|---|---|---|---|
| 1 | Philips SmartSleep Wake-up Light HF3520 | 20 levels | Best overall | 9.4 | Check price |
| 2 | Philips Wake-up Light HF3500 | 10 levels | Best value | 9.1 | Check price |
| 3 | JALL Sunrise Alarm Clock | 7 levels | Best budget | 8.6 | Check price |
| 4 | Hatch Restore 2 | App-controlled dimming range | Best for app control | 8.5 | Check price |
| 5 | VAVA Sunrise Alarm Clock | 10 levels | Best for casual use | 8.3 | Check price |
| 6 | Casper Glow Light | Continuous dimming, not stepped | Best minimalist design | 8.1 | Check price |
| 7 | Elviros Sunrise Alarm Clock | 10 levels | Best for multiple wake settings | 8.0 | Check price |
Questions worth asking
How does a sunrise alarm clock work?
Light gradually brightens over a set period, typically 20 to 30 minutes, before the set alarm time. This mimics a natural sunrise rather than switching on at full brightness instantly. Many models pair the light with a sound alarm as a backup wake cue.
Are sunrise alarm clocks good for seasonal affective disorder?
Some people use light therapy, including sunrise alarm clocks, as part of managing seasonal mood changes, though a dedicated light therapy lamp offers higher intensity for that specific purpose. A sunrise clock adds gentle morning light exposure as a complementary habit. Consult a doctor for a primary treatment plan rather than relying on a wake-up light alone.
Can you use a sunrise alarm clock without the sound alarm?
Yes, on most models the light function works independently of any sound alarm. Deep sleepers may still need sound as backup, since light alone doesn’t wake everyone reliably. Test light-only use for a few nights to see if it suits your sleep pattern.
Do sunrise alarm clocks help with waking up in winter?
Many users report an easier wake-up on darker winter mornings when natural sunlight isn’t available yet at wake time. The clock’s light substitutes for that missing daylight cue during the ramp period. Individual results vary depending on sleep habits and how dark the bedroom stays afterward.
What is sunset simulation on an alarm clock?
Sunset simulation dims the light gradually in the evening, the reverse of the wake-up ramp, to help ease into sleep. Not every sunrise clock includes it, so check the listing if a wind-down feature matters to you. The Philips HF3520 and Casper Glow Light both include this function.
How bright should a sunrise alarm clock get?
A higher number of available brightness levels, rather than a single lux figure most listings don’t state, tends to give a more effective wake-up cue. Ten or more levels allow a smoother ramp than clocks with only a few steps. Personal preference varies, so a wide adjustable range suits more sleepers.
Can children use a sunrise alarm clock?
Yes, many parents use gentle light alarms to ease morning routines for kids who resist a sudden beeping alarm. Choose a model with adjustable maximum brightness so the light doesn’t feel too intense in a smaller room. Color-changing options, like on the JALL clock, can also double as a comforting nightlight.
Do sunrise alarm clocks use a lot of electricity?
No, the LED light sources in these clocks draw minimal power even during a full brightness ramp. Battery-powered portable options like the Casper Glow Light need occasional recharging rather than constant power draw. Running one nightly adds a negligible amount to a household’s electricity use.
Our pick
The Philips SmartSleep Wake-up Light HF3520 earns the top spot by pairing a wide brightness range with a genuine sunset wind-down feature. Buyers who want the core experience for less should choose the Philips HF3500 instead. Anyone who prefers managing routines from a phone is better served by the Hatch Restore 2, even at a higher price.