Please assess the completion status of the following clinical trial:

Trial Title: Effect of Background Noise on Sleep Quality

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: CROSSOVER
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: SINGLE
- Phase: PHASE1/PHASE2
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Age between 21 and 60~Exclusion Criteria:~* Any sleep disorder~* Use of hypnotics

- Gender: ALL
- Minimum Age: 21 Years
- Maximum Age: 60 Years
- Healthy Volunteers: t

Study Arms:
- Background noise (Type: ACTIVE_COMPARATOR): Overnight sleep study with filtered white noise
- Silence (Type: NO_INTERVENTION): Overnight sleep study with normal environmental noise

Based on this trial design, predict the completion outcome and termination type (if applicable).