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Effects of simulated long working hours and sleep restriction on physiological and psychological responses in healthy middle-aged men: An experimental study

Effects of simulated long working hours and sleep restriction on physiological and psychological responses in healthy middle-aged men: An experimental study - Effects of simulated long working hours and sleep restriction on physiological and psychological responses in healthy middle-aged men: An experimental study

Status
Active, not recruiting
Phases
Unknown
Study type
Unknown
Source
JPRN
Registry ID
JPRN-UMIN000043681
Enrollment
20
Registered
2021-03-19
Start date
2019-01-01
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

None listed

Interventions

None listed

Sponsors

National Institute of Occupational Safety and Health, Japan
Lead Sponsor

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: normotensive male adults. Ex- or nonsmoker. Usual sleep duration is 6 hours 30 minutes to 7 hours 30 minutes.

Exclusion criteria

Exclusion criteria: Previous history: cardiac disease, diabetes, asthma, cerebral stroke, chronic liver disorder, back problems, and mental disorders.

Design outcomes

Primary

MeasureTime frame
hemodynamic responses, psychological responses, and salivary hormone were measured during simulated long working hours.—

Secondary

MeasureTime frame
hemodynamic responses (systolic blood pressure, diastolic blood pressure, mean arterial pressure, stroke volume, heart rate, cardiac output, and total peripheral resistance), psychological responses (sleepiness, fatigue, stress, motivation, and depression), and salivary hormone (cortisol and C-reactive protein)—

Countries

Japan

Contacts

Public ContactHiroki Ikeda

National Institute of Occupational Safety and Health, Japan Ergonomics Research Group

ikedah@h.jniosh.johas.go.jp0448656111

Outcome results

None listed

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