What does it mean what an otherwise healthy teen (healthy dietr and weight) patient hears noise in their ear, has chronic insomnia, has shortness of breath, has trouble thinking clearly, has memory issues, has dizziness, and has balance issues?

An imaging study is indicated, and a neurologic or metabolic cause should be considered. Please have an evaluation and discuss a Pediatric Neurology consultation. Watch for sleep apnea and check your BP standing and lying down. Stay well hydrated and eat a healthy diet.

Anybody with these symptoms should seek immediate evaluation with the primary care physician or neurology to check for serious your logic condition such as stroke bleeding in the brain brain tumor or even brain infection

Sort this out: Your complexities cannot be handled herein on a public education site. Would instead visit your physician, undergo a complete examination, with appropriate blood and urine studies and acquire management.