Blue Light Impact
Exposure to blue light from devices at night significantly suppresses melatonin production, leading to poor sleep quality. Research suggests that for every hour spent on screens, melatonin production is delayed by about 30 minutes. While blue light blocking glasses show promise in improving sleep onset and efficiency, the effectiveness of phone apps remains uncertain. Simple adjustments like using night shift settings can lead to noticeable improvements in sleep and reduce eye strain.In this clip
From this podcast

The Doctor's Farmacy with Mark Hyman, M.D.
Hack Your Sleep with Shawn Stevenson
Related Questions
Does only blue light from devices suppress melatonin production, or are devices even with night mode enabled a problem when used before bedtime?
Does only blue light from devices suppress melatonin production, or are devices even with night mode enabled a problem when used before bedtime in the episode Shawn Stevenson on 10 Ways to Sleep Better Tonight - with Lewis Howes and this Screen Time Awareness?