Effect of cognitive performance under different light conditions during the diuranl nap after night-work in healthy people

Effect of cognitive performance under different light conditions during the diuranl nap after night-work in healthy people - Effect of cognitive performance under different light conditions during the diuranl nap after night-work in healthy people

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000020643

Enrollment

Registered

2016-02-01

Start date

2016-02-01

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

health general people

Interventions

2 light conditions(bright / dim))

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: healthy adult male

Exclusion criteria

Exclusion criteria: 1) mental disease 2) extreme morning-type and evening-type 3) sleep disorder 4) smoking

Design outcomes

Primary

Measure	Time frame
score of performance test after napping	—

Countries

Japan

Contacts

Public ContactTomoko Wakamura

Graduate School of Medicine Kyoto University human health science

wakamura.tomoko.5v@kyoto-u.ac.jp075-751-3974

Outcome results

None listed

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