# Performance, Mood, and Brain and Metabolic Functions During Different Sleep Schedules

> **NCT04731662** · NA · COMPLETED · sponsor: **National University of Singapore** · enrollment: 59 (actual)

## Conditions studied

- Sleep
- Sleep Restriction

## Interventions

- **BEHAVIORAL:** Short sleep
- **BEHAVIORAL:** Variable short sleep

## Key facts

- **NCT ID:** NCT04731662
- **Lead sponsor:** National University of Singapore
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-02-01
- **Primary completion:** 2022-12-22
- **Final completion:** 2022-12-22
- **Target enrollment:** 59 (ACTUAL)
- **Last updated:** 2024-11-14


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04731662

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04731662, "Performance, Mood, and Brain and Metabolic Functions During Different Sleep Schedules". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT04731662. Licensed CC0.

---

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