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The study is a combination of outpatient and inpatient monitoring. During the 27-day inpatient portion of the study, the individual's sleep-wake schedule will be varied daily. Volunteers will be randomized to a regular or irregular inpatient schedule.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Regular Schedule | Experimental | Participant will be on a regular sleep/wake schedule |
|
| Irregular Schedule | Experimental | Participant will be on an irregular sleep/wake schedule |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Sleep/Wake Schedule | Other | Timing of sleep and wake |
|
| Measure | Description | Time Frame |
|---|---|---|
| Circadian phase | Circadian phase, as measured by melatonin, at end vs. beginning of inpatient portion of experiment | 27 days |
| Learning | Sleep-dependent learning at 3-4 times during inpatient portion of the experiment | 27 days |
| Mood | Mood (using a linear non-numeric scale) across difference days inpatient portion of the experiment | 27 days |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Elizabeth B Klerman, MD PhD | Brigham and Women's Hospital | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Brigham and Women's Hospital | Boston | Massachusetts | 02115 | United States |
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