Research from Curtin University (or Flinders) here in Australia did this research years ago. The greater impact from using our phones at night was not the blue

Research from Curtin University (or Flinders) here in Australia did this research years ago. The greater impact from using our phones at night was not the blue light, but the content you are doom scrolling is designed to engage your brain and stimulate you, which is the opposite of what you want when you are going to bed.