As a registered nurse and one of the Haley Nurse Scientists at Brigham and Women’s Hospital, Lichuan Ye, who joined Northeastern this fall, brings a unique perspective to the university and to her research, reports News @ Northeastern.

So, her most recent research, supported by the National Institutes of Health, found that spouses play an important role in whether or not their partners do routinely use the CPAP machine.

Outside of those diagnosed with sleep apnea, there’s another population that regularly grapples with disrupted sleep—hospital patients. Between the standard din of a busy hospital ward and the intermittent check of vital signs administered by hospital staff, it’s hard for hospital patients to get more than a few hours of sleep at a time.