Using bright screens after sunset hurts sleep. You should set your screen to as low a brightness as you can after dusk. But some screens can become dimmer than others. So I measured the minimum brightness of all the screens I have at night: iPhone XS: 1 lux
Use the Dimmest Screen After Sunset
Use the Dimmest Screen After Sunset
Use the Dimmest Screen After Sunset
Using bright screens after sunset hurts sleep. You should set your screen to as low a brightness as you can after dusk. But some screens can become dimmer than others. So I measured the minimum brightness of all the screens I have at night: iPhone XS: 1 lux