SET BEDTIME DURATION

30:00

Online Sleep Timer That Gradually Dims Screen to True Black

Progressive Screen Darkening to 0%•15m, 30m, 45m & 60m Presets•Eliminates Harsh Blue Light at Night•Zero Distracting Sounds at Finish

Drift Off Without Bright Screens Waking You Up

Falling asleep with laptops or tablets open often means waking up hours later to harsh blue light illuminating the bedroom, disrupting circadian melatonin production and sleep continuity.

The TimerBox Sleep Timer progressively dims the entire screen toward pure OLED black as the countdown runs down, ensuring your bedroom stays completely dark and peaceful as you fall asleep.

How to Use the Sleep Timer (Screen Dimmer)

1

Select your bedtime reading or podcast length (e.g., 30 or 45 minutes).

2

Click Start Sleep Timer and place your device on your nightstand.

3

Watch the display gradually fade to black over the course of the session.

4

Sleep peacefully in a pitch-dark room without manual screen shutdown.

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Frequently Asked Questions

Will the timer make a loud noise when it ends?

No. The sleep timer is designed for bedtime and remains completely silent at zero so your sleep is not disturbed.

Does it turn the screen completely black?

Yes. As the timer approaches zero, the container dims down to near-zero luminance to preserve melatonin.

Can I cancel or pause it if I am still reading?

Yes, tapping anywhere on the screen restores controls so you can extend or reset the timer.

Ready to Start Your Sleep Timer (Screen Dimmer)?

Scroll up and press Start to begin your visual countdown immediately.