Can online therapy help MS patients sleep better and protect their brains?

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * 18-65 years old * Diagnosis of relapsing-remitting or secondary progressive MS based on established guidelines21 and verified by their neurologist * Mild-to-moderately severe disability (≤ 6 on Patient Determined Disability Steps (PDDS) scale) * Report of difficulty falling asleep, maintaining sleep, or waking up too early at least 3 nights/week for the past 3 months with significant distress and impact on function despite adequate opportunity for sleep and not due to other sleep disorders as indicated in the DSM-5 * ≥10 on Insomnia Severity Index * English speaking * ≥31 on Telephone Interview of Cognitive Status * Has a high school diploma or equivalent to serve as a proxy measurement of reading ability to ensure adequate reading ability to participate in the study * Report having access to internet service or a data plan and access to a computer, tablet, or smart phone Exclusion Criteria: * Known untreated sleep disorder (such as sleep apnea or restless legs syndrome) * \>3 on STOP BANG indicating increased risk of sleep apnea * Restless legs syndrome as determined by RLS-Diagnosis Index * Circadian rhythm sleep-wake disorder as determined by the Sleep Disorders-Revised * Parasomnia as determined by the Sleep Disorders-Revised * If taking benzodiazepines, non-benzodiazepines, or melatonin supplements or agonists for insomnia, taking \< 3 months or dose has changed in past 3 months * Score of ≥20 on the Patient Health Questionnaire (PHQ-9) indicating severe depression or endorsement of suicidal ideation (answer 1, 2 or 3 on #9 of the PHQ-9) * Score of ≥15 on the Generalized Anxiety Disorder (GAD-7) indicating severe anxiety * Current or history (up to 2 years) of alcohol or drug or alcohol abuse as indicated by DSM-5 criteria * History of other nervous system disorder such as stroke or Parkinson's disease * Currently pregnant or intending to become pregnant in the next 6 months * Severe mental illness such as schizophrenia or bipolar disorder * Severe neurological or sensory impairments that would interfere significantly with testing * Relapse and/or corticosteroid use in the past 8 weeks * History of (within 5 years) or currently conducting overnight shift work including hours of midnight-4am * Currently receiving a behavioral sleep health intervention