Hacker News
- Evening use of light-emitting eReaders negatively affects sleep (2014) https://www.pnas.org/doi/10.1073/pnas.1418490112 53 comments
- Evening use of light-emitting eReaders negatively affects sleep, circadian timing, and next-morning alertness - PNAS http://www.pnas.org/content/112/4/946 15 comments science
- Evening use of light-emitting eReaders negatively affects sleep, circadian timing, and next-morning alertness http://www.pnas.org/content/early/2014/12/18/1418490112.full.pdf+html 16 comments science
- Evening use of light-emitting eReaders negatively affects sleep, circadian timing, and next-morning alertness (open access article) http://www.pnas.org/content/early/2014/12/18/1418490112 47 comments science