Healthy subjects
Conditions
Interventions
None listed
Sponsors
Kitamura Shingo
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1) Persons who are between 20 and 79 years of age at the time of response. 2) Able to answer the questionnaire via the Internet.
Exclusion criteria
Exclusion criteria: 1) Patients with pre-existing medical conditions (cardiovascular, liver, endocrine, brain/neurological, psychiatric, etc.), taking therapeutic drugs, or having a history of such conditions that may affect the results of the study 2) Persons who are dependent on alcohol or who are found to be in the habit of excessive alcohol consumption 3) Those who have a habit of taking drugs or supplements that affect sleep. 4) Pregnant, lactating, or planning to become pregnant during the study period 5) Who are using an implantable medical device such as a pacemaker 6) Any other person who is deemed inappropriate by the principal investigator.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Association of nighttime light brightness with chronotype, obesity, and mental health by region | — |
Secondary
| Measure | Time frame |
|---|---|
| Comparison of night light brightness, chronotype, obesity, and mental health between urban and suburban areas Regional, age, and gender differences in the amount of effect of night light on chronotype, obesity, and mental health | — |
Contacts
Public ContactTaisuke Eto
National Center of Neurology and Psychiatry
Outcome results
None listed