We are looking for pairs of close friends for a study of sleep and social media usage. Prospective participants must sign up in pairs of close friends. To be eligible for this study, both friends must be college students between the ages of 18 and 26. This study will consist of two in lab sessions – located in the Cognitive and Neuroscience Lab in the SEA, and a week of data collection between the two sessions. Participants may receive volunteer credit or financial compensation for their time. Participants who seek financial compensation will receive $5 for their participation in the first session and $10 for their participation in the second session. If you are interested or would like more information, please contact Katherine Soon at 806-241-0845 or email at sleep.socialmedia.study@gmail.com