Investigation of the light pollution exposure effect by artificial light on human

Investigation of the light pollution exposure effect by artificial light on human's sleep, cognitive function, circadian rhythm, and visual function and finding of biological marker reflecting harm risk of light pollution

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

CRIS

Registry ID

KCT0001882

Enrollment

Registered

2016-04-11

Start date

2014-02-02

Completion date

Unknown

Last updated

2019-03-11

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

Others(Timing and Intensity of Light exposure) : During the first two days of the study, the subjects were exposed to daily-living light (150 lux) for 4 hours before bedtime. During the subsequent fiv

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: Young male adults who are physically and mentally healthy ranging from 20 to 30 years of age

Exclusion criteria

Exclusion criteria: Physical or Psychiatric disorders Sleep disorders such as sleep apnea(overweight) or insomnia

Design outcomes

Primary

Measure	Time frame
Circadian rhythm of salivary cortisol concentrations and relative PER1/BMAL1 gene expression levels	—

Secondary

Measure	Time frame
sleep-related parameters from nocturnal polysomnographic study;Behavioral rhythm from Actigraphic data	—

Countries

Korea, Republic of

Contacts

Public ContactHEON-JEONG LEE

Korea University Anam Hospital

leehjeong4@gmail.com

Outcome results