The primary purpose of this study is to use an observational design to examine whether the practice of orgasmic meditation (OM) is associated with app-based measures of sleep quality. A secondary purpose of this study is to examine whether the occurrence of physiological orgasm during OM practice is associated with app-based measures of sleep quality. It is hypothesized that the practice of OM will have a positive impact on sleep quality.

Inclusion Criteria:

1. ≥18 years old, males and females, no exclusion by race, ethnicity or sexual orientation
2. Experienced in OM practice ("experienced" defined as >10 OM sessions in lifetime)
3. Currently practicing OM and participating in ≥1 OM session per week on average
4. Willingness to calibrate the Sleep Cycle app and use it for 30 continuous nights
5. Ability to charge phone by bed overnight during sleep
6. Ability to place phone near the bed, such as on a nightstand table overnight during sleep

Exclusion Criteria:

1. Inability to speak English

Community sample