# Comparison of Morning Operation and Evening Operation on Postoperative Sleep Quality and Pain Under General Anesthesia

> **NCT04094376** · NA · COMPLETED · sponsor: **Shengjing Hospital** · enrollment: 84 (actual)

## Conditions studied

- Morning Operation
- Evening Operation
- Sleep Quality
- General Anesthesia
- Circadian Rhythm Sleep Disorder

## Interventions

- **OTHER:** receiving operation during the day or at night

## Key facts

- **NCT ID:** NCT04094376
- **Lead sponsor:** Shengjing Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2019-09-20
- **Primary completion:** 2020-01-31
- **Final completion:** 2020-03-31
- **Target enrollment:** 84 (ACTUAL)
- **Last updated:** 2020-04-24


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04094376

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04094376, "Comparison of Morning Operation and Evening Operation on Postoperative Sleep Quality and Pain Under General Anesthesia". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT04094376. Licensed CC0.

---

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