Male/female adults
Conditions
Interventions
Consumption of the test food (1 bottle a day) for 8 weeks
Consumption of the placebo food (1 bottle a day) for 8 weeks
Sponsors
CPCC Company Limited
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Office workers 2. Subjects who are having sleep dissatisfaction 3. Subjects whose average sleep time on weekdays falls within the range of 4 to 7 hours 4. Right-handed subjects 5. Subjects who give written informed consent, after receiving a detailed explanation about the study and understanding the provided information.
Exclusion criteria
Exclusion criteria: 1. Subjects who have any clinically significant diseases, disorders or allergies to foods and drugs which in the investigator's opinion could interfere with the safety of study participants or with the results of the study. 2. Subjects who are currently receiving drug treatment. 3. Subjects who are trying to improve stress, sleep, and fatigue by taking functional foods or receiving therapies. 4. Subjects who are in living condition that can disturb their own sleep. 5. Subjects who have smoking habits. 6. Subjects who daily take excessive alcohol. 7. Subjects who work on irregular shifts or are engaged in physical labor. 8. Subjects who have exercise habits during nighttime and are unable to finish an exercise by 2 hours before bedtime. 9. Subjects whose sleeping environment is likely to change significantly during the study period due to a long trip or some others. 10. Subjects having wounds or other conditions on the area where the brain activity measuring device is to be attached 11. Subjects who have a participation in another interventional clinical study within the last 4 weeks or are intended to participate. 12. Females who are pregnant, intend to become pregnant, or breast-feeding. 13. Others who have been considered ineligible for the participation in the study by the investigators.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Perceived attention measured by subjective mood questionnaire (VAS) | — |
Secondary
| Measure | Time frame |
|---|---|
| Karolinska Sleepiness Scale for sleepiness Perceived fatigue, motivation, and optimism measured by subjective mood questionnaire (VAS) Cognitive task performance Brain activation during cognitive tasks | — |
Countries
Japan
Contacts
Public ContactMasanori Numa
CPCC Company Limited Clinical Planning Department
Outcome results
None listed