3 ms·
This sounds like a source. http://www.gwern.net/docs/melatonin/2009-burkhart.pdf http://www.gwern.net/docs/melatonin/2009-burkhart.pdf But it seems to be very
by a-saleh 8y ago
This sounds like a source. http://www.gwern.net/docs/melatonin/2009-burkhart.pdf http://www.gwern.net/docs/melatonin/2009-burkhart.pdf
But it seems to be very subjective. And the group that started limiting blue-light before sleep seems to have percieved their sleep quality as quite low, so the improvement might be only correlated?