The relationship of meals on sleepiness and performance during 16-hour night shifts.

The relationship of meals on sleepiness and performance during 16-hour night shifts. - The effects of meals on sleepiness and performance during night.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000034345

Enrollment

Registered

2018-10-01

Start date

2018-10-01

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 person

Interventions

take a meal not take a meal

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: The results of the medical exam was that there are no abnormalities.

Exclusion criteria

Exclusion criteria: The participants were not obvious morning type or evening type on the "Morningness-Eveningness Questionnaire".

Design outcomes

Primary

Measure	Time frame
Psychomotor Vigilance Test	—

Countries

Japan

Contacts

Public ContactSanae Oriyama

Graduate school of Biomedical & Sciences Division of Nursing Science

oriyama@hiroshima-u.ac.jp082-257-5355

Outcome results

None listed

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