# Blocking Blue Light in Pregnancy, Effects on Melatonin Profile and Sleep

> **NCT03114072** · NA · ACTIVE_NOT_RECRUITING · sponsor: **University of Bergen** · enrollment: 60 (estimated)

## Conditions studied

- Sleep Disturbance

## Interventions

- **DEVICE:** Blue-blocking glasses
- **DEVICE:** Light grey control glasses

## Key facts

- **NCT ID:** NCT03114072
- **Lead sponsor:** University of Bergen
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2017-06-06
- **Primary completion:** 2019-04-09
- **Final completion:** 2026-07
- **Target enrollment:** 60 (ESTIMATED)
- **Last updated:** 2024-12-18

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03114072

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03114072, "Blocking Blue Light in Pregnancy, Effects on Melatonin Profile and Sleep". Retrieved via AI Analytics 2026-05-23 from https://api.ai-analytics.org/clinical/NCT03114072. Licensed CC0.

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