Please assess the completion status of the following clinical trial:

Trial Title: Light Therapy Treatment in Parkinson's Disease Patients With Daytime Somnolence

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

Eligibility Criteria:
Inclusion Criteria:~1. Diagnosis of idiopathic PD as defined by the United Kingdom Parkinson's Disease Society Brain Bank Criteria~2. Hoehn and Yahr stage of 2 to 4 in the on state~3. Excessive daytime sleepiness as defined by the Epworth Sleepiness Scale (ESS) score of greater than or equal to 12 points~4. Stable PD medication regimen for at least 4 weeks prior to study screening~5. Willing and able to give written informed consent~Exclusion Criteria:~1. Atypical parkinsonian syndromes~2. Significant sleep disordered breathing (defined as an apnea-hypopnea index \>15 events/hr of sleep on screening PSG)~3. Significant periodic limb movement disorder (defined as a PLM arousal index\>10 events/hr of sleep on screening PSG) and REM sleep behavior disorder (based on the presence of both clinical symptomatology as well as intermittent loss of REM atonia on screening PSG)~4. Cognitive impairment indicated by the mini-mental status examination (MMSE) score of less than 24~5. Presence of depression defined as the Beck Depression Inventory (BDI) score \>14~6. Untreated hallucinations or psychosis (drug-induced or spontaneous)~7. Use of hypno-sedative drugs for sleep or stimulants during the daytime~8. Use of antidepressants unless the patient has been on a stable dose for at least three months~9. Visual abnormalities that may interfere with light therapy, such as significant cataracts, narrow angle glaucoma or blindness~10. Travel through 2 time zones within 90 days prior to study screening

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

Study Arms:
- Bright White (Type: ACTIVE_COMPARATOR): Exposure to bright white light treatment.
- Dim red light (Type: PLACEBO_COMPARATOR): Exposure to dim red light treatment.

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