TecnoOrange 
Since I enabled automatic night mode on my Android, my eyes thank me every night. If you spend a lot of time looking at your screen before bed (like pretty much everyone), night mode is essential. In this article I’ll explain how to enable it automatically on the major Android brands so you never have to remember to switch it manually again.
Table of contents
Table of contents
- What is night mode and why you should use it
- How to enable automatic night mode on Samsung
- How to enable automatic night mode on Xiaomi/Redmi/POCO
- How to enable automatic night mode on Google Pixel and stock Android
- Comparison table by Android brand
- Common troubleshooting
- Night mode in specific apps: additional configuration
- FAQ: Frequently Asked Questions
- Conclusion
What is night mode and why you should use it
Night mode (also called dark mode or blue light filter) reduces blue light emission from your screen and adjusts colors toward warmer tones. The idea is to mimic natural sunset light so your brain doesn’t get confused and think it’s still daytime.
Blue light affects melatonin production, the hormone that regulates sleep. When you use your phone with a bright screen at night, you’re literally telling your brain it’s not bedtime. Night mode reduces that effect significantly.
I won’t tell you night mode will cure your insomnia, but in my personal experience it makes a noticeable difference. Since I started using it, I fall asleep faster and rest better. Plus, if you have a phone with an OLED screen (like most current flagships), dark mode also saves battery.
Pro-tip: Enable both screen night mode and app dark mode. Together they reduce eye strain much more effectively.
How to enable automatic night mode on Samsung
Samsung has one of the best night mode implementations on Android. One UI makes it very straightforward:
- Open Settings on your Samsung.
- Go to Display.
- Toggle “Dark mode” on.
- Tap “Dark mode” to see advanced options.
- Select “Turn on as scheduled.”
- Choose between “Sunset to sunrise” or “Custom schedule.”
- If you choose custom, set the start and end times.
Samsung also offers “Blue light filter” separately, which is milder than full dark mode. You can enable both for maximum protection, or just the filter if you don’t like full dark mode.
On newer Samsungs with One UI 6+, the sunset-to-sunrise option uses GPS to automatically detect sunset time based on your location. It’s quite accurate and adjusts with the seasons.
How to enable automatic night mode on Xiaomi/Redmi/POCO
Xiaomi phones (including Redmi and POCO) use MIUI/HyperOS, which has its own implementation:
- Open Settings.
- Go to Display.
- Tap “Dark mode.”
- Toggle the main switch on.
- Enable “Schedule dark mode.”
- Select “Sunrise to sunset” or “Custom time.”
On MIUI/HyperOS you can also enable “Reading mode” separately, which applies a warm filter without activating full dark mode. It’s useful if you only want to reduce blue light without changing app themes.
One thing I like about Xiaomi is that you can exclude specific apps from dark mode. If some app doesn’t look good in dark mode, you can keep it in light mode individually.
How to enable automatic night mode on Google Pixel and stock Android
If you have a Google Pixel or a phone with stock Android (like Motorola or Nokia), the steps are:
- Open Settings.
- Go to Display.
- Toggle “Dark theme” on.
- Tap “Schedule” or “Automatic.”
- Select “Sunset to sunrise” or “Custom time.”
On stock Android, night mode syncs with the system and affects all compatible apps. Google has done an excellent job with this in recent years, and practically all Google apps and popular third-party apps respect the system setting.
Note: On Android 12+, the system dark mode automatically applies to apps that use the system theme. You don’t need to configure it app by app.
Comparison table by Android brand
Each brand implements night mode slightly differently. Here’s a comparison table:
| Brand | Location | Auto scheduling | Blue light filter | Exclude apps |
|---|---|---|---|---|
| Samsung (One UI) | Settings > Display | Yes | Yes (separate) | Yes |
| Xiaomi (HyperOS) | Settings > Display | Yes | Yes (Reading mode) | Yes |
| Google Pixel | Settings > Display | Yes | Yes (Night Light) | No |
| OPPO/Realme (ColorOS) | Settings > Display | Yes | Yes | Yes |
| OnePlus (OxygenOS) | Settings > Display | Yes | Yes | Yes |
| Motorola (My UX) | Settings > Display | Yes | Yes | No |
| Huawei (EMUI) | Settings > Display | Yes | Yes | Yes |
As you can see, all major brands support automatic scheduling. The differences are in details like app exclusion or sunset detection accuracy.
Common troubleshooting
Night mode usually works without issues, but sometimes inconveniences arise:
Night mode doesn’t activate automatically
If automatic scheduling doesn’t work, try toggling it off and back on. Also verify that GPS is enabled if you’re using the sunset-to-sunrise option, as it needs your location to calculate sunset time.
Some apps don’t switch to dark mode
Not all apps support system dark mode. Old or poorly updated apps may ignore the setting. In that case, look for a dark theme option within the app itself.
Screen looks too dark
If dark mode feels too intense, try combining it with auto-brightness. That way the screen adjusts luminosity based on ambient light and night mode only handles the warm tint.
Night mode doesn’t save battery
On LCD screens, dark mode doesn’t save significant battery. Only OLED (AMOLED) screens save energy with dark mode because black pixels literally turn off.
Warning: Don’t confuse night mode with “Do Not Disturb” mode. Night mode only affects the screen; it doesn’t silence notifications or calls.
Night mode in specific apps: additional configuration
Although the system night mode affects many apps automatically, some need separate configuration. Here are the most important ones:
WhatsApp respects the system dark mode on Android 10+. If it doesn’t activate, go to WhatsApp Settings > Chats > Theme and select “System default.”
Instagram has also respected the system dark mode for a while. If you notice it doesn’t change, update the app to the latest version from the Play Store.
Chrome
Chrome has its own dark mode that works independently from the system. Go to Chrome Settings > Theme and select “Dark” or “System default.” I recommend using the system setting to maintain consistency.
Twitter/X
Twitter applies dark mode automatically. If you want more customization, go to Twitter Settings > Accessibility > Display and sound > Dark mode to choose between standard dark and lights out (which is even darker).
Google Maps
Google Maps has a dark mode you can enable separately for the map and navigation. It activates automatically during nighttime navigation, but for regular use you can force it in Settings > Map theme.
Tip: Many modern apps follow the system theme on Android 12+. If an app doesn’t switch to dark mode, it probably needs an update. Uninstall and reinstall if the problem persists.
FAQ: Frequently Asked Questions
Does night mode actually help you sleep better?
Yes, studies show that reducing blue light improves melatonin production. It’s not a magic solution, but combined with other sleep hygiene habits, it makes a real difference.
Can I use night mode during the day?
You can, but it’s not recommended. During the day you need blue light to maintain your circadian rhythm. Night mode is specifically designed for nighttime hours.
Does dark mode save battery on all phones?
It only saves significant battery on phones with OLED (AMOLED) screens. On LCD screens, savings are minimal or nonexistent because the backlight stays on regardless.
Is there a difference between dark mode and night mode?
On modern Android, they’re practically the same thing. “Dark mode” changes the interface theme to dark colors, and “night mode” usually refers to the blue light filter. Many users use the terms interchangeably.
Conclusion
Enabling automatic night mode on Android is one of those settings you configure once and appreciate forever. It takes less than a minute to set up and the benefits for your eyes and sleep are immediate. It doesn’t matter if you have Samsung, Xiaomi, Pixel, or any other brand — they all support this feature. Enable it today, schedule it according to your habits, and you’ll notice the difference within days.