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Clinical Trials/JPRN-jRCT1020230033
JPRN-jRCT1020230033Not yet recruitingUnknown

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

Toru Nakazawa0 sites15 target enrollmentStarted: November 7, 2023Last updated:
Conditions

Trial Snapshot

Phase
Unknown
Status
Not yet recruiting
Sponsor
Enrollment
15

Study Overview

Brief Summary

No summary available.

Study Design

Study Type
Interventional

Eligibility Criteria

Ages
>= 40age old to ot applicable (—)
Sex
All

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.

Investigators

Sponsor
Toru Nakazawa

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