RecruitingDrug trialA Long-Term Study of ALKS 2680 in Subjects With Narcolepsy and Idiopathic HypersomniaThe purpose of this study is to continue to measure the safety, tolerability, and durability of treatment effect in subjects with Narcolepsy Type 1 (NT1), Narcolepsy Type 2 (NT2), or Idiopathic Hypersomnia (IH) when taking ALKS 2680 tablets.