Impact of Circadian Rhythm on Immunotherapy

Inclusion Criteria: 1. Cohort Specific Criteria * Cohort A: Advanced/metastatic NSCLC patients for which 1st line PD-1/PD-L1 therapy is on-label either alone or in combination. * Cohort B: Advanced/metastatic NSCLC patients who have completed up to 4 cycles of induction therapy who have stable disease or responsive disease and for which maintenance anti-PD-1/PD-L1 therapy is on-label either alone or in combination. * Cohort C: Advanced/metastatic solid tumor malignancy for which first-line anti-PD-1/PD-L1 therapy is on-label either alone or in combination. 2. Prior and concurrent therapy criteria o Patients should be ICI-naïve (this should be first-line therapy) (Cohorts A and C), or should have received ICI induction therapy and are now eligible for ICI maintenance therapy (Cohort B). 3. Must be willing to be randomized to complete therapy at assigned time of day, which may be early in the morning OR later in the day/into the evening. 4. Must be eligible to receive anti-PD-1/PD-L1 therapy singly or in combination with other FDA-approved agents according to standard of care practices, as determined by the clinical judgment of the investigator but according to approved label indications 5. Must have the ability to understand and the willingness to sign a written informed consent document. 6. Able to read and write in English. Exclusion Criteria: 1\. Participant unable to receive anti-PD-1/PD-L1 therapy due to prior allergic reactions to therapy or any therapy ingredients.