Casper Glow Light Review - MacRumors
Skip to Content

Review: Casper's Easy-to-Use Glow Light Promises to Improve Your Sleep

by

Mattress company Casper recently introduced its first non-bedding product, the Glow Light. Designed to help you fall asleep and wake up, the Glow Light provides timed, smart lighting that gets gradually dimmer or brighter based on your needs for the purpose of improving your sleeping habits.

Design

Casper's Glow Light will look familiar to Apple users because the design is reminiscent of the HomePod. The Glow Light is cylindrical in shape, with a flat top and a flat bottom, but it's about palm-sized and smaller than the ‌HomePod‌.

glowlightsdesign
Made of a translucent plastic material, the Glow Light puts off a soft yellow light with several available brightness levels. Light emanates from the entire body of the lamp, with the exception of the top and bottom.

glowlightsbright
A wireless charging base provides power to the Glow Light, which does have a battery so it can be used when off of the stand. Both ends of the Glow Light can be used for charging purposes, so putting it on the charging base is hassle-free. Reversible charging is a nice touch because there's no need to pay attention to orientation.

glowlightwirelesscharger
The charging pads on the top and bottom of the Glow Light also double as buttons for certain gestures, but other than these areas, there are no other physical controls on the Glow Light. All adjustments are made via flips and turns thanks to a built-in accelerometer, though there are also iPhone control options.

glowlightcharger
The Glow Light puts off a soft yellow light and the color is not adjustable, but it can be made brighter or dimmer. At full strength, the Glow Light offers even lighting, but at its dimmer levels, the bottom lights up while the top remains dim.

I love the design of the Glow Light because it's similar to a nice, bright candle with a diffused light that is decently bright but doesn't bother my eyes. At the brightest setting, the Glow Light puts off more light than your average table lamp and can easily replace existing lights in the bedroom. I have it set to half bright at maximum, which is the default.

glowlightsize
The built-in battery in the Glow Light can last for several days between charges depending on how often you have it on, and its size is perfect for picking it up when you need to use the restroom or get a drink of water in the middle of the night.

Functionality

There are a lot of gestures packed into the Glow Light, but once you have them memorized, the light is intuitive and easy to use.

Flipping the Glow Light to either side will turn it on when it's off, and when it's flipped, it will start to slowly dim over the course of 45 minutes (a time period adjustable in the app). It starts out at the highest brightness setting you have enabled, and then will dim down over time.

glowlightshalfbright
This flip is the one you want to use at night in bed when you're winding down for sleep. If your Glow Light is already on and you flip it, it will turn off. Turn it off entirely by holding down on the top button for approximately six seconds.

If you twist the Glow Light left or right you can turn the brightness up or down, and the twist gesture is simple - just give it a little turn.

When you press on the button at the top of the Glow Light, you can pause the 45 minute dimming process, and if you press it again, you can reenable it.

glowlightslowbrightness
At night, when it's off, if you pick it up and give it a little shake, it will turn on, which is the setting that's ideal to use when you want to take it with you as a little portable nightlight.

To set the morning timer, you will need to download the app, but once your sleep time is input, it will turn on gradually ahead of your specified wake up time to wake you up, getting brighter and brighter.

If you have two Glow Lights, such as for two nightstands on either side of the bed, they can be linked together and will turn on and dim at the same time.

Two Glow Lights is a little problematic, though, if both people don't go to bed and wake up at the same time. I wasn't able to really test using two lights at once for two people because my husband gets up at about 5:30 a.m. while my wakeup time is 8:30 a.m. Similarly, he often goes to bed before I do, which was an issue when using the lights to fall asleep.

glowlightbasae
There is no smart home integration in the Glow Light, which means no HomeKit support, no Alexa support, and no other voice-based control option. It's meant to be controlled physically for the most part, which has both upsides and downsides. The Glow Light is simple and straightforward, but it's lacking in the bells and whistles you get with smarter lighting options.

Using the Casper for Sleep

Casper says the Glow Light can provide better sleep because it's designed to help ease you into a night's rest by gradually dimming the light, but I don't think it's going to work for everyone.

The light is designed to turn off over a set period of time (45 minutes by default), but my problem is that when I get into bed, I'm ready for lights out and I don't want a light on for any amount of time. I do read in bed, but with a backlit screen that doesn't require a light.

glowlightsdim
I'm not usually in my bedroom for any length of time before going to bed, so using the Casper was an adjustment. I tried it in my office, where I'm usually at watching TV, reading, or playing video games before I head to bed, but I've already got a whole lighting system that dims appropriately at night.

If you already have something like Hue lights or any of the numerous other smart lights out there, the Casper Glow Light is going to be superfluous because existing smart lights can already be dimmed on a timed basis or set to a yellower light.

Those who spend a lot of time in the bedroom before bed getting ready or reading with the lights on and who have standard bulbs will get a lot more functionality out of the Glow Lights. In this situation, the soft yellow light that dims gradually is going to be better than a typical light bulb that's on the bluer side.


Swapping from full blue-tinted bright white lights to the Glow Light will likely be a positive change that improves sleep, but in my situation, I use something similar already and I'm already careful about nighttime blue light exposure so I didn't experience a change in sleeping habit or sleep quality.

As for waking up, the Glow Light worked well for me. I'm a super light sleeper, though, so as soon as the light started getting beyond minimum brightness, I'd wake up. Heavier sleepers may be able to get a longer rest and will wake up on the tail end of the brightness increasing process. Light doesn't work as a wake up method for everyone, though, so it's still worth having a backup.

I didn't really feel less tired or more awake using the light over a traditional alarm, but I'm not generally groggy in the mornings to begin with unless I'm waking up outside of my normal scheduled time.

Overall, the Glow Light was a pleasure to use even if I didn't necessarily benefit from the light when falling asleep. I love the design, the simple gestures, and the nightlight feature that offers just a bit of light when you need it. It's a good alternative to hunting down my iPhone and using the flashlight in the middle of the night, and I like the Glow Light as a portable go-anywhere light in case of a power outage or other emergency.

App

Glow Lights work through hands-on controls for the most part, which is ideal when you're sleepy and don't want to fuss with an app. The app is required for setting a wake up time, though, which is when the Glow Light turns on in the morning.

casperdimcontrols
You can select a time that you want to get out of bed and how long the Glow Light should stay on before it starts to dim after you're woken up.

casperappbedtime
The app also lets you sync or unsync two or more Glow Lights, and you can adjust the overall brightness and the dimming time. Dimming time when falling asleep can be set for as little as 15 minutes or as long as 90 minutes, though only in 15 minute increments for some inexplicable reason. Over the course of the set period, the Glow Light starts at its brightest setting and then gradually dims until it turns off.

casperlightsinfo

Bottom Line

Casper's Glow Light is a clever product that has a visually appealing design and controls that are simple, intuitive, and useful. For those who typically use standard white bulbs at night and want a solution that's going to improve sleep, the Glow Light has the potential to do so.

At $89, the Glow Light is rather expensive, but it can replace a traditional table lamp you might have on your nightstand. That said, it is a more expensive solution than other lamps and lighting products that dim in a similar way, such as bulbs from companies like Signify, LIFX, Caseta, Lutron, and dozens of other companies.

It's not the most frugal or affordable option, but the nightlight functionality, the battery, the portability, and the ease of use may make the Glow Light worth the extra cash over other solutions, especially for those who value design and ease of use.

How to Buy

The Glow Light can be purchased from the Casper website for $89. A set of two lights is also available at a discounted price of $169.

Note: Casper provided MacRumors with two Glow Lights for the purpose of this review. No other compensation was received.

Top Rated Comments

nattK Avatar
100 months ago
Nice! Is it home kit compatible?
Did you not read the article?
Score: 6 Votes (Like | Disagree)
100 months ago
LOL, I wonder how many people are going to use this special light while scrolling through their phones for hours in bed, wondering why they're still awake.
Score: 4 Votes (Like | Disagree)
100 months ago
What's the big deal? I just turn off the lights, close my eyes, see ya tomorrow.
Score: 3 Votes (Like | Disagree)
100 months ago
I’ve got three of these and they’re great. I do wish Casper would add some smart home support though, even if it is just in the form of Siri shortcuts support in the app so I can control them with Siri.
Score: 3 Votes (Like | Disagree)
harriska2 Avatar
100 months ago
An $89 lamp? Yeah, I know it’s a “smart” lamp, but that seems like a lot.
My decent quality lamp was $130 :/ After years of having no lamp then too big a lamp, getting the right lamp for the bedside was actually a good investment. I would probably consider the casper if we didn’t already have lamps. The 45 min to off is actually quite cool.
[doublepost=1551372527][/doublepost]
man people will buy anything with a "smart" in front of it... how much data do you really need/care about? Toothbrushes, bedlamps, what's next.. garbage cans?
Don’t diss my toothbrush! It gives me 30 second intervals to ensure I spend all 2 minutes brushing my teeth. Even the dentist noticed.
Score: 2 Votes (Like | Disagree)
deebinem Avatar
100 months ago

I do read in bed, but with a backlit screen that doesn't require a light.
Isn't that bad for your eyes?

I used to do that but noticed my head would start throbbing after a bit of time. Switched to an old Nook with a lamp instead.

These look pretty neat!
Score: 2 Votes (Like | Disagree)

Popular Stories

iPhone Duo Display Cracking

Apple Alerts Stores to iPhone Duo's Display Cracking Issue

Friday October 30, 2026 3:20 pm PDT by
In a memo shared with Apple Stores and Apple Authorized Service Providers this week, and later obtained by MacRumors, Apple provided technicians with guidance on how to diagnose and address the iPhone Duo's inner display cracking issue. If a customer reports the issue, Apple advised technicians to inspect the iPhone Duo and repair or replace it in accordance with their standard procedures....
Everything New Your iPhone Can Do on iOS 27

14 New Things Your iPhone Can Do in iOS 27.2

Friday October 30, 2026 12:42 pm PDT by
Apple released iOS 27.2 on October 26, bringing enhancements to Siri AI, adding Suggestions in Messages, and sneaking in a string of smaller additions across Photos, Podcasts, Games, Apple TV, and FaceTime. iOS 27.2 is available to download to your device now via Settings ➝ General ➝ Software Update. Note that some features may not be available in all regions or on all iPhone models....
iPhone Duo Week Later Thumb 2

iPhone Duo Review: One Week Later

Friday October 30, 2026 11:46 am PDT by
It's been a week since the iPhone Duo was released, and MacRumors videographer Dan Barbera wanted to revisit his review since he's been able to use the Duo for a longer stretch of time. Subscribe to the MacRumors YouTube channel for more videos. You've probably seen images of iPhone Duos with a bright white line running across one side of the inner display. There is a defect affecting some...
Latest Stories
Apple HomeView Could Double as a Security Camera
Apple HomeView Could Double as a Security Camera
2 hours ago
Apple Launching Five New Products This Friday
Apple Launching Five New Products This Friday
2 hours ago
Nearly Every M5 MacBook Air Now $200 Off on Amazon
Nearly Every M5 MacBook Air Now $200 Off on Amazon
18 hours ago
Apple's HomeView Ships With Six-Month-Old Software
Apple's HomeView Ships With Six-Month-Old Software
20 hours ago
Three New iPads Rumored to Launch in First Half of 2027
Three New iPads Rumored to Launch in First Half of 2027
20 hours ago
Apple Offers Steps to Fix Daylight Saving Time Bug on Apple Watch
Apple Offers Steps to Fix Daylight Saving Time Bug on Apple Watch
1 day ago
Apple Watch Ultra 4 Hits All-Time Low Price With Amazon's $99 Discount
Apple Watch Ultra 4 Hits All-Time Low Price With Amazon's $99 Discount
2 days ago
Reminder: Apple's Big Discount on Beats 360 Ear Cushions Ends Today
Reminder: Apple's Big Discount on Beats 360 Ear Cushions Ends Today
2 days ago
Here's a New Tour of Apple's HomeView Software
Here's a New Tour of Apple's HomeView Software
2 days ago
Apple Reveals New iPad Mini's Battery Capacity
Apple Reveals New iPad Mini's Battery Capacity
2 days ago
Top Stories: Apple's Big MacBook Pro, iPad mini and iMac Updates
Top Stories: Apple's Big MacBook Pro, iPad mini and iMac Updates
2 days ago
'Pluribus' Season 2 Reportedly Starts Production Today
'Pluribus' Season 2 Reportedly Starts Production Today
2 days ago
iPhone 18 Pro Sales Surge in China, Offsetting Decline in U.S. and Japan
iPhone 18 Pro Sales Surge in China, Offsetting Decline in U.S. and Japan
2 days ago
HomeView Software 27.2: Wallpapers, Control Center, and More
HomeView Software 27.2: Wallpapers, Control Center, and More
2 days ago
Apple Alerts Stores to iPhone Duo's Display Cracking Issue
Apple Alerts Stores to iPhone Duo's Display Cracking Issue
3 days ago
iOS 27.3 Will Enable These Apple Intelligence Features in China
iOS 27.3 Will Enable These Apple Intelligence Features in China
3 days ago
Apple Says iOS 27.3 Beta Coming Next Week
Apple Says iOS 27.3 Beta Coming Next Week
3 days ago
Apple's Flash Storage Suppliers Are Finally 'Getting Their Revenge'
Apple's Flash Storage Suppliers Are Finally 'Getting Their Revenge'
3 days ago
14 New Things Your iPhone Can Do in iOS 27.2
14 New Things Your iPhone Can Do in iOS 27.2
3 days ago
iPhone Duo Review: One Week Later
iPhone Duo Review: One Week Later
3 days ago
Samsung Mocks iPhone Duo Display Cracks in New Ad Campaign
Samsung Mocks iPhone Duo Display Cracks in New Ad Campaign
3 days ago
The MacRumors Show: OLED MacBook Pro, iPad Mini 8, and More
The MacRumors Show: OLED MacBook Pro, iPad Mini 8, and More
3 days ago
MacBook Pro With Touch Display: 15 More Details Revealed
MacBook Pro With Touch Display: 15 More Details Revealed
3 days ago
Russia Places Apple on State Surveillance Registry
Russia Places Apple on State Surveillance Registry
3 days ago
Halloween Weekend Brings Discounts on Apple Accessories and Pre-Orders
Halloween Weekend Brings Discounts on Apple Accessories and Pre-Orders
3 days ago
Apple Has Released More Than 25 New Products in the Past Two Months
Apple Has Released More Than 25 New Products in the Past Two Months
3 days ago
Local Code Launches as Free, Private AI Assistant Tool for Mac
Local Code Launches as Free, Private AI Assistant Tool for Mac
3 days ago
Apple Acquires Ascend.io
Apple Acquires Ascend.io
3 days ago
HomePod Mini 2 Launches Today: All the New Features
HomePod Mini 2 Launches Today: All the New Features
3 days ago
AirTag 2 4-Pack Drops to New Low Price of $69.99
AirTag 2 4-Pack Drops to New Low Price of $69.99
3 days ago