MOOD DISORDERS

This study is testing whether a breathing training program can help adults who have both insomnia and symptoms of anxiety or depression. Researchers are enrolling 188 participants to see if learning specific breathing techniques improves their sleep quality, reduces nighttime awa…

This study is testing a gentle, non-invasive stimulation device placed on the ear to see if it can help improve movement problems and other symptoms like low mood, tiredness, and poor sleep in people with Parkinson's disease. Researchers will compare three different patterns of s…

This study is testing whether inhaling nitrous oxide (laughing gas) can quickly reduce suicidal thoughts in hospitalized patients with severe depression. Fifty patients will receive either the gas or a placebo during up to six sessions while continuing their standard depression t…

This study aims to see if data from smartphones and Fitbits can predict when a person's depression might come back. Over 12 months, 540 people with mood disorders and healthy volunteers will wear a Fitbit and log their mood daily in an app. Researchers will use this data to build…

This long-running study is tracking over 1,500 Wisconsin adults to understand how sleep-disordered breathing develops and changes as people age. Researchers are checking in with the same group of people over decades to see how sleep problems might be linked to future heart, brain…

This study is testing whether a smartphone app can detect early signs of mood changes in people with depression or bipolar disorder by analyzing how they type. Researchers are comparing typing patterns—like speed and error rates—with brain scans and standard mood questionnaires. …