The relationship between the relaxing effect of the yuzu scent and sleep.

The relationship between the relaxing effect of the yuzu scent and sleep. - The relationship between the relaxing effect of the yuzu scent and sleep.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000040422

Enrollment

Registered

2020-06-01

Start date

2020-07-01

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 students

Interventions

Sleep under the scent of yuzu Sleep in an unscented situation

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Those who receive an appropriate explanation of the purpose and content of the study, are able to consent, voluntarily request to participate after gaining a full understanding, and are able to consent to participation in this survey in writing. 2. Healthy individuals

Exclusion criteria

Exclusion criteria: 1. Individuals who do not like the citrus scent. 2. Individuals taking drugs that affect the autonomic nervous system.

Design outcomes

Primary

Measure	Time frame
Salivary amylase level and questionnaire for assessing sleep	—

Countries

Japan

Contacts

Public Contactshunji Mizobuchi

Kochi University Clinical nursing, Kochi Medical School

mizoshun@kochi-u.ac.jp088-880-2564

Outcome results

None listed

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