Reading E-book before bed will affect sleep health

Reading E-book before bed will affect sleep health

January 24, 2015 Kasy 0

To study the impact of e-reader devices such as sleep, researchers from Pennsylvania State University and Brigham and Women’s Hospital and other institutions recruited 12 volunteers. In a period of 14 days, these people were looking at bedtime iPad and printed book of 5 consecutive nights, nightly reading in dim light four hours.