Adult
Conditions
Interventions
The patients will be irradiated (at rest) in the test lighting environment for 300 minutes, during which melatonin samples will be taken every 30 minutes and PVT will be performed every 60 minutes.
Th
Sponsors
KANEKA CORPORATION
Eligibility
Sex/Gender
Male
Inclusion criteria
Inclusion criteria: 1) Japanese males aged 18 to 35 years old. 2) Healthy subjects not receiving any medical treatment 3) No medication use. 4) Not taking any sleeping supplements 5) Not engaged in night shift/shift work 6) Habitual sleeping hours of 7 to 9 hours 7) Those whose habitual bedtime is between 23:00 and 25:00 8) Able to make designated visits and fill in records 9) The subject must have given written consent to this study.
Exclusion criteria
Exclusion criteria: 1) With ophthalmologic disease 2) PSQI more than 6 3) BMI more than 25 4) MEQ 30 or less or MEQ more than70 5) Patients who need dental treatment 6) Those with irregular lifestyle 7) AUDIT more than 15 8) Smokers 9-1) Those who cannot refrain from taking food for specified health use, functional foods, or other so-called health foods during the study period 9-2) Those who are unable to refrain from taking foods for specified health use, foods with functional claims, or other so-called health foods during the test period 10) Those who have traveled to time zone within the last 1 month. 11) Those who are allergic to metals 12) Those who cannot stop consuming caffeine or alcohol during the study period. 13) Patients with mental illness 14) Participation in other clinical trials *Last 1 month
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| melatonin suppression | — |
Secondary
| Measure | Time frame |
|---|---|
| Melatonin concentration, melatonin onset, Sleep indices (sleep efficiency, sleep latency, sleep depth, arousal during sleep wake after sleep onset, sleepiness (reaction rate, response rate, variability of response rate, correct response rate), autonomic nervous system (autonomic balance, parasympathetic nervous system activity) | — |
Countries
Japan
Contacts
Public ContactNaomi ADACHI
Medithink,Inc. none
Outcome results
None listed