# Nonrestorative Sleep RSQ (Restorative Sleep Questionnaire) Development-- Methodology Study

> **NCT00705601** · — · TERMINATED · sponsor: **Pfizer** · enrollment: 64 (actual)

## Conditions studied

- Nonrestorative Sleep

## Interventions

- **PROCEDURE:** PSG

## Key facts

- **NCT ID:** NCT00705601
- **Lead sponsor:** Pfizer
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** TERMINATED
- **Start date:** 2008-08
- **Primary completion:** 2009-01
- **Final completion:** 2009-01
- **Target enrollment:** 64 (ACTUAL)
- **Why stopped:** See Detailed Description
- **Last updated:** 2019-03-04


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00705601

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00705601, "Nonrestorative Sleep RSQ (Restorative Sleep Questionnaire) Development-- Methodology Study". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT00705601. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*