Participants will take 5mg Melatonin nightly, 1 hour before bedtime and be provided educational materials to improve sleep hygiene. They will have study visits in clinic as part of standard-of-care at 6 weeks and 12 weeks. They will complete Pittsburgh Sleep Quality Index and SF-36 Quality of Life questionnaires at enrollment and at their clinic visits.

Participants will be given placebo pills to be taken daily 1 hour before bedtime and are a "sleep aid". Participants will not receive any sleep education materials. They will have study visits in clinic as part of standard-of-care at 6 weeks and 12 weeks. They will complete Pittsburgh Sleep Quality Index and SF-36 Quality of Life questionnaires at enrollment and at their clinic visits.

Melatonin 5mg daily and sleep education for 6 weeks following injury or surgery.

9-item self-rated questionnaire that assesses clinical sleep quality and disturbances. Global PSQI scores are sums of the component scores, and range from 0-21. Higher scores indicate worse sleep quality.

36-item, patient-reported survey of patient health-related quality of life.The SF-36 consists of eight scaled scores, which are the weighted sums of the questions in their section. Each scale is directly transformed into a 0-100 scale on the assumption that each question carries equal weight. The lower the score the more disability.