Overview A Polysomnographic Study of Single-Dose Gabapentin in Transient Insomnia Induced by a Sleep Phase Advance Status: Completed Trial end date: 2004-11-01 Target enrollment: Participant gender: Summary The purpose of this study is to assess the effect of gabapentin as compared to placebo on sleep in subjects with transient insomnia. Phase: Phase 3 Details Lead Sponsor: PfizerPfizer's Upjohn has merged with Mylan to form Viatris Inc.Treatments: Gabapentingamma-Aminobutyric Acid