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Demographic Characteristics of the 26 Female Participants
| Age (Years), M, SD | 24.36 | 1.13 |
|---|---|---|
| Race/Ethnicity, N, % | ||
| White | 13 | 46.4 |
| Asian | 9 | 32.1 |
| Black/African American | 1 | 3.6 |
| Latino/Latina/Latinx | 1 | 3.6 |
| More than one race | 4 | 14.3 |
| Menstrual cycle length (days), M, SD | 28.57 | 3.8 |
| Menstrual cycle phase when Oura ring tracking started, N, % | ||
| Menses | 10 | 38.5 |
| Ovulation | 5 | 19.2 |
| Midluteal | 8 | 30.8 |
| Late luteal | 3 | 11.5 |
| Oura daily total sleep time across cycle (hours), M, SD | 7.04 | 1.25 |
