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What is Twilight and How Can it Help You Sleep Better?

The Problem with Blue Light

Do you struggle to fall asleep at night? Are your kids full of energy after using their tablets before bed? If so, you may be experiencing the negative effects of blue light exposure. Recent research has shown that exposure to blue light before sleep can disrupt your natural sleep-wake cycle, making it difficult to fall asleep.

The culprit behind this disruption is a photoreceptor in your eyes called Melanopsin. This receptor is highly sensitive to blue light in the 460-480nm range, which can suppress the production of Melatonin, a hormone responsible for regulating your sleep-wake cycles. Scientific studies have found that individuals who spend a few hours reading on a tablet or smartphone before bed may experience a delay in their sleep by about an hour.

Introducing Twilight: Your Solution for Better Sleep

If you’re looking for a solution to combat the negative effects of blue light, Twilight may be the answer. Twilight is an app that adjusts the screen of your device based on the time of day, helping to filter out the harmful blue spectrum after sunset. By applying a soft and pleasant red filter to your screen, Twilight protects your eyes and promotes healthier sleep.

One of the key features of Twilight is its ability to smoothly adjust the intensity of the filter based on your local sunset and sunrise times. This means that as the sun sets, the filter will gradually become stronger, providing optimal protection against blue light. Similarly, as the sun rises, the filter will gradually decrease in intensity, allowing your eyes to adjust to the natural light.

How to Use Twilight

Using Twilight is simple and user-friendly. Once you’ve downloaded the app, you can customize the settings to suit your preferences. You can choose the intensity of the red filter, as well as the start and end times for the filter to be active. This allows you to tailor the app to your specific sleep schedule.

Twilight is compatible with both smartphones and tablets, making it accessible for everyone. Whether you’re using an Android or iOS device, you can easily install and start using Twilight to improve your sleep quality.


If you’re struggling to fall asleep or find that your sleep is being disrupted by blue light exposure, Twilight can be a game-changer. By filtering out the harmful blue spectrum and adjusting the intensity of the filter based on your local sunset and sunrise times, Twilight helps to restore your natural sleep-wake cycle and promote healthier sleep. Say goodbye to sleepless nights and hello to a more restful and rejuvenating sleep with Twilight.


  • Dark Mode
  • Color correction
  • Blue light filter
  • Display Management
  • Color Temperature
  • Automatic brightness dimming

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