Dyadic Sleep Study

Eligibility Criteria

• * The eligibility criteria for patients are:
• * newly diagnosed with stage I to IV of a GI cancer (anus, colon, esophagus, gallbladder, large and small intestine, liver, pancreas, rectum, stomach, other biliary or digestive organs)
• * diagnosis in the past 12 months at the time of enrollment
• * having a consistent sleep partner.
• * The eligibility criterion for caregivers is:
• * a sleep partner of the patient.
• * Additional eligibility criteria for both patients and caregivers are:
• * Pittsburgh Sleep Quality Index (PSQI) ≥ 5,
• * willing to change sub-optimal sleep habits,
• * 18 years or older,
• * able to speak/listen English at the 8th grade level for intervention sessions,
• * able to read English or Spanish at the 8th grade for self-reported questionnaires,
• * \> 4 weeks after surgery, if any, prior to enrollment, and no surgery planned in the next 5 weeks during the study period because surgery affects sleep.
• * Exclusion criteria for both patients and caregivers are having had a diagnosis of major depressive disorder, psychosis, or bipolar disorder that is not currently treated;
• * Active suicidality, or substance or alcohol dependency in the past year;
• * Currently have narcolepsy, restless leg syndrome, or untreated sleep apnea that is screened using the Sleep Health Screen;
• * Both patients and caregivers have an extreme chronotype, or do shift work to have no overlap in sleep schedule between them; and plan trans-meridian travel during the period of data collection blocks; and having hearing or visual impairment, dementia, or cognitive dysfunction.
• * Adults unable to consent, individuals who are not yet adults, pregnant women, or prisoners will be excluded.