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Circadian Light Bulb E14
- Support your natural rhythm
- Warm light before sleep
- Wind down in the evening
- 100% secure payment
- Free shipping +55€
- 30-day guarantee
Order
October 22
Shipping
October 23
Delivery
October 25-29
Details
One bulb, the right light for every moment of the day. The Gudslip® Circadian Light Bulb switches between bright full-spectrum white (4000K) to start your day with energy, warm amber (1600K) to wind down in the afternoon and evening, and deep red (625nm) with 0% blue light for the last hour before bed.
No app, no Wi-Fi, no hub: just switch it off and on again with your regular switch to move to the next mode, and it remembers the last one you used. 7W LED, A60 shape, CRI 96 and a lifespan of over 25,000 hours.
This is the E14 version, the small screw base used in most bedside lamps, small table lamps and wall lights. For ceiling lights, pendants and floor lamps, choose the E27 version.
Shipping & returns
Free shipping on orders over €55. Orders are prepared within 24 hours and delivered in 2-3 working days. You have 30 days to return your order.
Technical specifications
Type
LED, A60 shape (about 6 cm wide) — 7W
Base
E14 · small screw base (bedside, table and wall lamps)
Light modes
White (4000K), Amber (1600K) and Red (625nm)
Colour rendering
CRI 96
Night mode
625nm red light with 0% blue light
How it works
No Wi-Fi, no app, no hub. Switch the light off and on again with your regular wall switch to move to the next mode.
Memory
Remembers the last mode you used
Lifespan
25,000+ hours
Voltage
220-240V
Certifications
CE, RoHS
E14 or E27: which one do I need?
This is the E14 version. Both Gudslip bulbs are identical inside: same three light modes, same 7W A60 shape. The only difference is the screw base, so pick the one that fits your lamp.
E14 · small screw (about 1.4 cm)
The thinner base used in most bedside lamps, small table lamps, wall lights and many chandeliers.
E27 · standard screw (about 2.7 cm)
The wider, standard base used in most ceiling lights, pendant lamps and floor lamps.
How to check
Look at the bulb you are replacing: the base type is usually printed on it (E14 or E27). You can also measure the width of the screw thread. Both versions have the standard A60 bulb shape (about 6 cm wide), so make sure your lamp has room for a regular-size bulb.
“It has been the best change to my rest and wellbeing routine. It helps me relax to rest or sleep, and I use it at any time of day when I'm in my bedroom.”
Eva C.
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The right light for every hour of your day.
Morning · White
Bright, full-spectrum white light first thing tells your brain the day has started. It lifts alertness and focus the way morning sun does — perfect over your desk or kitchen to shake off the grogginess and get moving.
Afternoon · Amber
As the day winds down, switch to warm amber. It drops the harsh blue light that keeps you wired and eases your body toward evening — ideal for dinner, the living room, and the hours before bed.
Night · Red
In the last hour before bed (reading, unwinding, a late trip to the bathroom) switch to red. The 625nm light has 0% blue light, so the room stays softly lit without the bright glow of a regular bulb.
Dr. Antelm Pujol
“Gudslip products, based on scientific evidence, promote restorative sleep and improve cognitive and physical performance.”
One bulb, three modes
Screws into any standard lamp — no app, no hub, no wiring. Flick the switch off and on to move through white, amber and red. That simple.
Light that respects your body clock
Bright white to start the day, warm amber to wind down and deep red with 0% blue light at night. The right light for every hour.
Built on circadian science
Designed around how light drives your sleep-wake rhythm — brighter mornings, calmer nights, and a smoother path into deep sleep.
Rated 5.0/5 by 107 customers
100%
Average score of the Circadian Light Bulb E14: 5.0/5 across 107 reviews.
0%
Blue light in night mode, thanks to deep red 625nm light.
20%
Off the regular price right now.
100%
—
Average score of the Circadian Light Bulb E14: 5.0/5 across 107 reviews.
0%
—
Blue light in night mode, thanks to deep red 625nm light.
20%
—
Off the regular price right now.
Why Gudslip is the perfect choice
A smart bulb can change colour — but it wasn't built for your sleep. Ours is: the right light at the right time, no app required. That's the difference.
Smart bulbs
Regular bulbsWhite, amber & red in one bulb
Deep red night mode (625nm)
Tuned to your circadian rhythm
Changes colour with the wall switch
No app, wifi or hub
Full-spectrum daytime white
Remembers your last mode
No blue light at night
Simple & affordable
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Join the family
Frequently asked questions
What makes this bulb different from a normal bulb?
It gives you three kinds of light in one bulb: bright full-spectrum white (4000K) for the morning, warm amber (1600K) for the afternoon and evening, and deep red (625nm) with 0% blue light for the last hour before bed.
How do I change the light mode?
Switch the light off and quickly on again with your regular switch to move to the next mode: white, amber, red. No app, Wi-Fi or hub needed. When you turn it on later, it starts in the last mode you used.
E14 or E27: which one do I need?
Both bulbs are identical inside; only the screw base changes. E14 is the small screw (about 1.4 cm) used in most bedside, small table and wall lamps. E27 is the standard screw (about 2.7 cm) used in most ceiling lights, pendants and floor lamps. The type is usually printed on the bulb you are replacing.
When should I use each mode?
A simple guide: white in the morning to read and work with energy, amber from the afternoon to relax and disconnect, and red in the last hour before sleep. Adjust it to your own schedule.
Which lamps can I use it in?
Any lamp with a matching socket (E14 for this version) and room for a standard A60 bulb, about 6 cm wide. It works with a regular on/off switch and runs on 220-240V.
Is shipping free and can I return it?
Shipping is free on orders over 55 EUR, and you have 30 days to return your order.