(BPT) - Mental illness is relentless. Patients and their caregivers face stressful days and restless nights — filled with profound physical and emotional challenges. For Brandon B.*, a patient with bipolar disorder, life was like being on a roller coaster, rotating mercilessly out of control."After being diagnosed with bipolar disorder in November 2017, I was in the middle of a manic cycle and barely sleeping a couple hours a night, if at all," says Brandon.