Clinical Research Directory

Inclusion Criteria: * Survivor of Acute Lymphoblastic Leukemia (ALL) * Enrolled on SJLIFE * Participant was less than 21 years of age at time of diagnosis. * Age 20-50 years at the time of enrollment * Insomnia Severity Index \>=8 (Proxy \>=8) confirmed prior to enrollment * Access to home Wi-Fi and Smartphone * Participant is able to speak and understand the English language * Participant is able and willing to give consent Exclusion Criteria: * Unable to understand the details and requirements of the study (at the discretion of the PI) * Female participants who are pregnant or planning to become pregnant * Presence of implanted electrical medical devices (i.e. pacemaker) * Currently taking medication intended to treat neurocognitive impairment (i.e. stimulants) or medications prescribed for seizure management * History of skin irritation or other issues during stimulation of inner ear * Currently utilizing a technological intervention for a sleep disorder (e.g. CPAP) * Medications and behavioral practices (white noise, night-time yoga, etc) are acceptable as long as the insomnia is persistent. * History of a contraindicated health condition including: * Syncope (CTCAE \>2) * Cardiac dysrhythmia (CTCAE \>2) * Vascular Disease (CTCAE \>2) * Coronary Artery Disease (CTCAE \>2) * Active contraindicated heath condition including: * Cranial Nerve Disorder (CTCAE \>2) * Neuropathy (Cranial Nerves) (CTCAE \>2) * Neuralgia (Cranial Nerves) (CTCAE \>2) * Overt Cerebrovascular Accident (CTCAE \>2) * Seizures (Any in most recent 1 year * Currently enrolled or participating in any other neurostimulation or neuromodulation ancillary research studies