[exDemMom]

The ipRGCs are most sensitive to short-wavelength (blue and blue–green) light, so night-time exposure to LEDs is typically more disruptive to circadian rhythms, melatonin secretion and sleep than incandescent lighting...

I wonder, what about fluorescent lights? I hate those things with a passion. Whenever one is turned on near me, I feel a sudden wave of depression that fades into a background steady-state--not pleasant, just tolerable. And fluorescent lights seem to be ubiquitous in commercial buildings.

[neverdem]

I wonder, what about fluorescent lights?

I don't know. Wikipedia isn't a bad source for science and technical topics that are not yet politicized.

And fluorescent lights seem to be ubiquitous in commercial buildings.

Schools too. I wonder if an increase in the prevalence of ADHD, adults are getting diagnosed more frequently now, is really due to a sleep deficit.

Diagnosing the Wrong Deficit

Pardon the NY Times reference, but from time to time they have very good stories, IMHO.