Examination of the effects of natural light illumination on the autonomic nervous system, sleep, and ocular blood flow: Contrast with artificial light LED illuminatio

Not Applicable

• Conditions: Homo sapiens; LED Lighting

• Registration Number: JPRN-jRCT1020230033
• Lead Sponsor: Toru Nakazawa

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2023-11-07
• Last Update Posted: 20 November 2023

Recruitment & Eligibility

• Status: Pending
• Sex: All
• Target Recruitment: 15

Inclusion Criteria

(1) Japanese healthy persons over 40 years old (at the time of registration) with no previous medical history
(2) Any gender
(3) BMI: 18-25 kg/m2
(4) Living environment: not engaged in night work
(5) Able to stay overnight for two nights on two occasions.

Exclusion Criteria

(1) Patients with psychosis or psychiatric symptoms that make it difficult for them to participate in the study
(2) Those who regularly take drugs, supplements, or other nutritional supplements that affect sleep.
(3) Those who are not engaged in late-night work.

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Autonomic nervous system, sleep, ocular blood flow