no eligible subjects were available for recruitment

This study is designed to determine whether subjects who were responders to cNEP during an overnight sleep lab titration in a previous clinical trial, Study SOM-012, will maintain a response throughout the night for up to two weeks in a home setting. It will also be determined whether two weeks of home use of cNEP is associated with any adverse events.

Inclusion Criteria:

• must have completed study SOM-012 and been categorized as a "responder"
• the subject agrees to participation by signing an informed consent statement

Exclusion Criteria:

• medical or social circumstances have changed since participation in SOM-012 such that continued use of cNEP may provide questionable benefit or associated with increased risk