VOA慢速英语:Social Media Is Keeping Young Adults Awake

author – n. a person who has written something, especially someone who has written a book or who writes many books

disturbance – n. something that stops you from working or sleeping

questionnaire – n.  written questions that are given to people in order to collect facts or opinions about something

predictor – n. predicting on the basis of observation, experience, or scientific reason

hypotheses – n. an idea or theory that is not proven but that leads to further study or discussion

cycle – n. a set of events or actions that happen again and again in the same order

interactive – adj. involving the actions or input of a user

stimulating – adj. to make (a person) excited or interested in something

rewarding – adj. giving you a good feeling that you have done something valuable or important

participant – n. a person who is involved in an activity or event; a person who takes part in an activity or event

pattern – n. the repetition of something