# Multicenter Observational Study to Validate a New Index for Sleep Fragmentation Analysis: Sleep Diversity Index (SDI)

> **NCT02843737** · — · COMPLETED · sponsor: **Centre Hospitalier Intercommunal de Toulon La Seyne sur Mer** · enrollment: 300 (actual)

## Conditions studied

- Sleep Fragmentation

## Interventions

- **OTHER:** Polysomnography under spontaneous breathing

## Key facts

- **NCT ID:** NCT02843737
- **Lead sponsor:** Centre Hospitalier Intercommunal de Toulon La Seyne sur Mer
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2014-11-21
- **Primary completion:** 2014-12
- **Final completion:** 2017-03-16
- **Target enrollment:** 300 (ACTUAL)
- **Last updated:** 2017-05-12

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02843737

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02843737, "Multicenter Observational Study to Validate a New Index for Sleep Fragmentation Analysis: Sleep Diversity Index (SDI)". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT02843737. Licensed CC0.

---

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