Study finds 40% of college students are addicted to their smartphone

University College London today which shows a startling number (or relieving, depending on how you look at it) of modern university students could be addicted to their smartphones. The study investigated the relationship between smartphone addiction and sleep quality in 1,043 people aged 18 to 30 years old. It had the young adults fill out a smartphone addiction questionnaire, complete an adapted Pittsburgh Sleep Quality Score Index, and answer questions both in person and online over a period of 40 days before the answers were evaluated.