sleep disturbance due to high bedroom temperature in summer Sleep Hygiene
Conditions
Interventions
Participants sleep for 4 days in a bedroom environment where the temperature is reduced by 3 degrees C or more by setting the air conditioner to 24 degrees C approximately 3 hours before bedtime.
Par
Bedroom temperature
Sponsors
Saeki Keigo
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Aged 20 to 65 years. 2. Living in a detached house. 3. Capable of wearing an actigraphy device all day except when bathing. 4. Having an air conditioner installed in the bedroom. 5. Capable of sleeping with winter bedding during the intervention period. 6. Capable of installing measurement devices at designated locations. 7. Living in a region categorized as insulation grade area 5 or 6. 8. Provided voluntary consent. 9. Preliminary test criteria: Usual bedroom temperature at 1 meter above floor is 27 degrees C or higher, and temperature decreases by 3 degrees C or more after 3 hours of air conditioner use.
Exclusion criteria
Exclusion criteria: 1. Night shift workers. 2. Those who wake up 4 times or more during sleep for childcare or nursing. 3. Those undergoing treatment for sleep-related diseases (insomnia, nocturnal pollakiuria, depression, sleep apnea syndrome, etc.). 4. Those undergoing treatment for serious diseases (cancer, stroke, myocardial infarction, heart failure, etc.). 5. Those judged ineligible by their physician.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Sleep efficiency objectively measured by actigraphy | — |
Secondary
| Measure | Time frame |
|---|---|
| Total sleep time, sleep onset latency, and wake after sleep onset objectively measured by actigraphy; scores and subscales from the OSA Sleep Inventory; and bedroom temperature and humidity | — |
Contacts
Public ContactKeigo Saeki
Nara Medical University
Outcome results
None listed