Please assess the completion status of the following clinical trial:

Trial Title: Biological Function of Dreaming in Dreaming and Non-Dreaming Patients With PCA Infarction

Study Design Characteristics:
- Allocation: None
- Intervention Model: None
- Observational Model: CASE_CONTROL
- Primary Purpose: None
- Time Perspective: PROSPECTIVE
- Masking: None
- Phase: None
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:~* Acute thrombotic infarction in the posterior stream area of the cerebral artery (parieto-temporo-occipital (PTO) lesions)~* Dream recall before infarction more than 1 dream/week~* REM sleep present~* Willingness of the patient to participate in the sleep laboratory examinations within the scope of the study or to fill in questionnaires/diaries.~* Patient is cognitively and linguistically able to comprehend the meaning of the study~* Existence of a written declaration of consent~Exclusion Criteria:~* Extension of the lesion to the brainstem.~* Diagnosis of any previously known sleep disorder confounding with the study results, recorded on 1st screening night (sleep laboratory)~  1. severe insomnia~ 2. Restless Leg Syndrome (RLS)~ 3. periodic movements of the extremities during sleep (PLMS), and~ 4. obstructive sleep apnea syndrome (OSAS)~* Diagnosis of any neurological or psychiatric disorders or other conditions that may conflict with the study results~* Cerebral insults in areas outside the posterior cerebral artery (excluding small vessel disease)~* Medication use affecting sleep architecture, such as benzodiazepines, anticonvulsants, SSRIs.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 90 Years
- Healthy Volunteers: f

Study Arms:
- Non-Dreamers (Type: None): Experimental Group
- Dreamers (Type: None): Comparison Group

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