Nine out of 10 people caring for a family member with dementia don’t get enough sleep, finds a study, according to the Deccan Chronicle.

The researchers found that most participants got less than six hours of sleep each night, accompanied by frequent awakenings as often as four times per hour. “These disruptions can lead to chronic sleep deprivation and place caregivers at risk for depression, weight gain, heart disease and premature death,” said lead author Yu-Ping Chang.

“Though memory loss is the best-known symptom of dementia, more than 80 percent of people with dementia will also experience sleep disturbances, anxiety and wandering” said Chang.