Overview Efficacy Study of LY2422347 to Treat Insomnia Status: Completed Trial end date: 2006-11-01 Target enrollment: Participant gender: Summary The purpose of this study is to determine whether a compound known as LY2422347 is effective in treating people diagnosed with primary insomnia (difficulty sleeping with no other significant contributing factor, such as depression). Phase: Phase 2 Details Lead Sponsor: Eli Lilly and Company