Please assess the completion status of the following clinical trial:

Trial Title: Improving the Sleep and Circadian Rhythms of Mechanically Ventilated Patients

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Age 18 years or older~* Receiving mechanical ventilation and intravenous sedation~Exclusion Criteria:~* Debilitating central nervous system disease or degenerative disorder~* Active seizures~* Persistent coma~* Renal failure requiring dialysis~* Expected to be extubated within 24 hours~* Currently receiving neuromuscular blocker

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- Sleep promotion protocol (Type: EXPERIMENTAL): Behavioral: 48 hours of sleep and circadian rhythm promotion including timed light exposure.
- Usual care (Type: ACTIVE_COMPARATOR): Behavioral: 48 hours of usual care.

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