The effect of nocturnal blue light exposure from light-emitting diodes on sleep and energy metabolism

The effect of nocturnal blue light exposure from light-emitting diodes on sleep and energy metabolism - Blue light exposure experiment

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000023430

Enrollment

Registered

2016-08-01

Start date

2012-08-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Healthy subjects

Interventions

Two hours blue light exposure before sleep No light exposure

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: Good sleeper Healthy young mele

Exclusion criteria

Exclusion criteria: Smoker Shift worker

Design outcomes

Primary

Measure	Time frame
Sleep and energy metabolism	—

Countries

Japan

Contacts

Public ContactMomoko Kayaba

University of Tsukuba INTERNATIONAL INSTITUTE FOR INTEGRATIVE SLEEP MEDICINE

momoko.kayaba@gmail.com029-865-5643

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026