Effectiveness of occupational sleep health guidance on work engagement of workers aware of difficulty sleeping: non-randomized, single arm and time series trial

Effectiveness of occupational sleep health guidance on work engagement of workers aware of difficulty sleeping: non-randomized, single arm and time series trial - Effectiveness of occupational sleep health guidance on work engagement

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000028691

Enrollment

100

Registered

2017-08-21

Start date

2017-08-28

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 industrial population aware of sleep difficulty

Interventions

We conduct occupational sleep guidance based on cognitive behavioral therapy for insomnia, and we added the two points: assessment of symptom occurrence or exacerbation factors and viewpoint of psycho

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Employees of companies in Japan 2) Those who do not plan to retire within six months 3) Those who are aware of at least one insomnia symptom (difficulty falling asleep, arousal during sleep, early-morning awakening, the lack of a deep sleep feeling ) 4) Those who can participate in the trial for four months including two months non-intervention period and two months intervention period, and twice 30 minutes personal interview (the first time and one month after starting) 5) Those who can consent about the study by documents.

Exclusion criteria

Exclusion criteria: 1) Those who are presumed to be unable to understand and complete the purpose of this study because of their physical and mental disabilities 2) Those who the research staff judges that he/she is inappropriate for participation in this study

Design outcomes

Primary

Measure	Time frame
Work engagement will be measured by the Japanese short version of the Utrecht work engagement scale (Two months after the start of intervention)	—

Secondary

Measure	Time frame
1) Quality of sleep by using Pittsburgh sleep quality index, Japanese Version (Two months after the start of intervention) 2) Work performance by WHO health and work performance questionnaire (short form) Japanese edition (Two months after the start of intervention) 3) Depression by the center for epidemiologic studies depression scale (Two months after the start of intervention) 4) Support resources by analyzing usage status of support resources related to sleep (Two months after the start of intervention)	—

Measure

Time frame

1) Quality of sleep by using Pittsburgh sleep quality index, Japanese Version (Two months after the start of intervention) 2) Work performance by WHO health and work performance questionnaire (short form) Japanese edition (Two months after the start of intervention) 3) Depression by the center for epidemiologic studies depression scale (Two months after the start of intervention) 4) Support resources by analyzing usage status of support resources related to sleep (Two months after the start of intervention)

—

Countries

Japan

Contacts

Public ContactAyako Toyoshima

Hiroshima University Graduate School of Biomedical & Health Sciences

d161682@hiroshima-u.ac.jp+81-82-257-5367

Outcome results

None listed

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