Should you avoid blue light before bed?

Screens, blue-light filters and glasses before sleep.

Axis: avoid blue light before bed … blue light is overstated

Answers by date: 3 records in 3 sources, newest first; the answers above are the current ones. shift and revise mean the advice changed; tension — speakers disagree.

date	who	answer	source
2023-03-17	Ali	shift: At night Ali uses a night-mode display setting like f.lux on his Mac to avoid the blue light from the screen.	My Evidence-Based Sleep Routine 00:10:42
2023-03-16	Ali	Ali calls avoiding blue light before sleep a myth: it came from the idea that blue light's higher energy stimulates the eye and keeps you awake, but there is very little evidence that this is biologically significant.	Why you're always tired 00:00:00
2022-12-09	Ali	Ali, who had paid an extra £100 for a blue-light filter on his glasses, now calls avoiding blue light before sleep a bit of a myth and reads his Kindle with the backlight on without worrying.	Why You're Always Tired - 7 Myths Ruining Your Sleep 00:06:19