Unique ID issued by UMIN | UMIN000055037 |
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Receipt number | R000062853 |
Scientific Title | The impact of daytime bright light on nocturnal sleep quality |
Date of disclosure of the study information | 2024/07/21 |
Last modified on | 2024/07/21 23:32:32 |
The impact of daytime bright light on nocturnal sleep quality
The impact of daytime bright light on nocturnal sleep quality
The impact of daytime bright light on nocturnal sleep quality
The impact of daytime bright light on nocturnal sleep quality
Japan |
Healthy person
Adult |
Others
NO
To elucidate the impact of daytime bright light on nocturnal sleep quality through subjective and objective evaluations of sleep
Efficacy
Subjective evaluations of sleep
・OSA-MA (drowsiness upon awakening, initiation and maintenance of sleep, frequent dreaming, refreshing, sleep length)
Objective evaluations of sleep
・actigraph (activity, bedtime, sleeping time, wake-up time, sleep duration etc)
・electroencephalogram (sleep onset latency, nocturnal awakening, total sleep time, sleep efficiency, REM/non-REM sleep)
・autonomic nervous activity (heart rate, HF, LF/HF)
・core body temperature
Interventional
Cross-over
Non-randomized
Open -no one is blinded
Placebo
2
Treatment
Behavior,custom |
Normal light(5 days)-Washout period(2 days)-Bright light(5 days)
Spend 1.5 hours each day in the laboratory under each condition's light environment
Bright light(5 days)-Washout period(2 days)-(Normal light(5 days)
Spend 1.5 hours each day in the laboratory under each condition's light environment
20 | years-old | <= |
40 | years-old | >= |
Male and Female
Healthy 20-40 year old men and women
Has a disease under treatment, sleep disorder, eye disease, photosensitivity, or menstrual disorder
Working early mornings or late nights during shift work, etc
10
1st name | Naoko |
Middle name | |
Last name | Kubota |
Hokkaido University of Science
Faculty of Health Sciences, Dept. of Nurshing
006-8585
7-15-4-1 Maeda,Teine,Sapporo,hokkaido,japan
0116882367
kubota-n@hus.ac.jp
1st name | Naoko |
Middle name | |
Last name | Kubota |
Hokkaido University of Science
Faculty of Health Sciences, Dept. of Nurshing
006-8585
7-15-4-1 Maeda,Teine,Sapporo,hokkaido,japan
0116882367
kubota-n@hus.ac.jp
Hokkaido University of Science
Hokkaido University of Science
Other
Hokkaido University of Science Ethics Committee
7-15-4-1 Maeda, Teine, Sapporo, Hokkaido, JAPAN
0116882241
kubota-n@hus,ac.jp
NO
2024 | Year | 07 | Month | 21 | Day |
Unpublished
Preinitiation
2024 | Year | 07 | Month | 20 | Day |
2024 | Year | 08 | Month | 01 | Day |
2025 | Year | 03 | Month | 31 | Day |
2024 | Year | 07 | Month | 21 | Day |
2024 | Year | 07 | Month | 21 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000062853
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