I started getting headaches a few weeks ago since it became colder and my screen time increased. 1. Adjust the brightness of your screen multiple times a day.

I started getting headaches a few weeks ago since it became colder and my screen time increased. 1. Adjust the brightness of your screen multiple times a day. Auto-brightness is too bright often. 2.Do not use smartphones or tablets in the dark before sleeping, even with blue-filter.