Exploratory study on subjective sleep evaluation and mood state who breakfast skippers regularly eat breakfast

Exploratory study on subjective sleep evaluation and mood state who breakfast skippers regularly eat breakfast - Effects of eating breakfast regularly on subjective sleep quality and mood states

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000041016

Enrollment

Registered

2020-07-06

Start date

2017-12-23

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 Adults

Interventions

The intervention subjects were those who usually skipped breakfast more than 5 times a week. The subjects were instructed to eat a breakfast containing a staple food (i.e., rice, bread, noodles, or ce

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1.Healthy adults over 20 years of age 2.Office workers who worked in the city of Yokohama, Japan 3.People who provided written consent for participation

Exclusion criteria

Exclusion criteria: 1.Patients with severe liver, kidney, heart, lung, or blood disease or with psychiatric disorders; 2.People who wished to become pregnant, were pregnant, or were breastfeeding during this survey 3.People using a cardiac pacemaker 4.People whose supervisors judged participation to be inappropriate.

Design outcomes

Primary

Measure	Time frame
Subjective sleep quality	—

Secondary

Measure	Time frame
Mood states Body composition	—

Countries

Japan

Contacts

Public ContactKatsuyuki Ishihara

Calbee, Inc. Research & Development Division

k_ishihara@calbee.co.jp080-5952-8671

Outcome results

None listed

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