A new study of 120 firefighters conducted by researchers at the Oregon Institute of Occupational Health Sciences found that alcohol use and poor sleep create a reinforcing cycle—each making the other worse.

Doctoral candidate Kathryn McAuliffe studies how shift work disrupts the body's internal clock—and whether that disruption drives nurses to quit.

New research from the Oregon Institute of Occupational Health Sciences finds individuals who use cannabis, alcohol and tobacco report significantly worse sleep quality, more insomnia, and greater daytime sleepiness than those who use cannabis alone.

New research from the Oregon Institute of Occupational Health Sciences and Oregon Health and Science University suggests that earlier breakfasts may be better for managing glucose in pregnant individuals with gestational diabetes.