Please assess the completion status of the following clinical trial:

Trial Title: The BEST Study: The Efficacy of Brain Entrainment Sleep Technology in Military Healthcare Beneficiaries

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: SUPPORTIVE_CARE
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~* Score greater than or equal to 15 on the Insomnia Severity Index (ISI)~* Affiliated with at least one of the 13 installations within the Kaiserslautern Military Community (KMC) area~* Eligible to receive healthcare at Landstuhl Regional Medical Center (LRMC)~* Are 18 years or older~* Can read and speak English~* Are able to commit to a 4 week study~Exclusion Criteria:~* Are taking any type of medication that causes drowsiness~* Have been diagnosed with moderate to severe traumatic brain injury (TBI)~* Have a history of epilepsy~* Are taking any medication in the anti-seizure category~* Have been diagnosed with, taking medication for, or are currently being evaluated for a psychological health issue as defined by the Diagnostic and Statistical Manual of Mental Disorders, 5th Edition (DSM-5) that will prohibit them from using intervention as perscribed.~* Have ear trauma, difficulty hearing or wear a hearing aide~* Have a chronic inflammatory health issue~* Are pregnant or are trying to become pregnant in the next 4 weeks~  \*Women of child bearing age will be asked to provide a urine sample for a pregnancy test~* Are currently using BET

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

Study Arms:
- Pre and Post Intervention (Type: EXPERIMENTAL): One Study Arm - Quantitative and qualitative sleep quality measure will be captured at baseline (Phase I/Week 1-2), while using Brain Entrainment Technology (Phase II/Week3-4), and after using the technology.

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