48- Chang Am, Aesenbach D, Duffy Jf, Czeisler CA. Evening use of light-emitting eReaders negatively affects sleep, circadian timing and next-morning alertness. Proc Natl Acad Sci USA 2015; 112:1232-7. PMID:25535358.

48- Chang Am, Aesenbach D, Duffy Jf, Czeisler CA. Evening use of light-emitting eReaders negatively affects sleep, circadian timing and next-morning alertness. Proc Natl Acad Sci USA 2015; 112:1232-7. PMID:25535358.