Due to funding limitations

The purpose of this study is to learn more about the causes of Complicated Grief (CG) in those who experience the loss of a loved one. This study aims at learning more about the sleep patterns and emotions in participants with CG as compared to those who have lost a loved one but do not have CG.

This study will consist of two aims:

Aim 1: Approximately 10 complicated grief (CG) patients and 10 controls (without a current psychiatric diagnosis) will complete a 3-day home polysomnography (PSG) sleep assessment in addition to several self-report sleep and psychiatric measures.

Aim 2: Approximately 10 CG patients (subsample from Aim 1) will complete 16 weekly sessions of complicated grief therapy (CGT) in addition to completion of repeated PSG assessments and self-report sleep and psychiatric measures.

Inclusion Criteria:

• Bereaved due to death of a loved one >= 6 months prior (for both CG and control groups)
• For CG participants: grief is primary psychiatric problem with ICG >= 30 (threshold symptoms; for CG group only). Controls will be free of current psychiatric disorders with the exception of specific phobia.
• Normal or corrected vision

Exclusion Criteria:

• Psychiatric or sleep medications in the past 4 weeks (past 6 weeks for fluoxetine)
• Concurrent grief or exposure based therapy
• Lifetime bipolar, psychosis, significant neurological disorders
• Past 6 months of alcohol/substance use disorder
• Unstable medical illness
• Serious safety concerns of suicide or homicide
• Pregnant or nursing
• Overnight shift work
• > 4 caffeinated or > 11 alcoholic beverages per week
• Screening reveals OSA defined as an apnea hypopnea index with 4% desaturation (AHI4%) ≥15 or an AHI4% ≥ with an Epworth >10