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Effect of the deodorizing bedding on sleep.

Sleep improvement effect of reducing bedroom odor using deodorizer: randomized - Effect of the deodorizing bedding on sleep.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000054194
Enrollment
60
Registered
2024-05-08
Start date
2024-05-08
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

Apply a deodorizer to the bedroom once a day for a week. Apply placebo water to the bedroom once a day for a week.

Sponsors

Kao Corporation
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Healthy males and females aged 20-59. 2. Person whose Athens Insomnia Scale(AIS) score is greater than 4. 3. Person who moderately or strongly perceives an unpleasant odor in the bedroom. 4. Person who moderately or strongly perceives an unpleasant odor from bedding. 5. Person who has had trouble falling asleep due to an unpleasant odor in the bedroom or from bedding. 6. Person who does not regularly use deodorizers on bedding.

Exclusion criteria

Exclusion criteria: 1. Person who cannot properly wear or use an EEG recording device. 2. Person with allergies specifically related to medical tape or rubber materials. 3. Person who shares a bed with an infant aged less than one year. 4. Woman who is either pregnant or currently breastfeeding. 5. Person with frequent nocturnal awaking due to multiple nighttime urinations (3 or more) 6. Person who regularly takes Foods with Functional Claims specifically related to sleep. 7. Person who takes medications related to sleep. 8. Person who is currently involved in other clinical trials or investigations. 9. Person with any other ineligibility determined by the investigators.

Design outcomes

Primary

MeasureTime frame
Slow-wave sleep latency

Secondary

MeasureTime frame
-Sleep Stages Proportions: the distribution of sleep stages, including N1, N2, N3, and REM. -Sleep efficiency -Relative EEG Band Power: the relative power of different EEG frequency bands (alpha, beta, gamma, delta, and theta) during each sleep stage. -Correlation between compliments related to bedroom odor, subjective sleep quality, and subjective fatigue scores using a visual analog scale

Countries

Japan

Contacts

Public ContactMichitaka Inoue

Kao Corporation Household Products Research Lab.

inoue.michitaka@kao.com+81-70-3300-7057

Outcome results

None listed

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