People with personality disorders are more likely to sign up for psychology studies—here’s why that’s a problem

Many psychological studies rely on participants to give up their time to take part in experiments or complete questionnaires. They take part because they get paid or because they are required to as part of their university course. But, beyond this, not much is known about what motivates people to take part in these studies.

Study models the causes of insomnia in menopausal women

One of the most common symptoms that women experience during menopause is sleep disruption. Although this change is thought to be associated with depression, hot flashes, and fluctuating hormone levels, few studies have investigated whether they actually influence sleep. In a new study, published in Journal of Women’s Health, researchers have modeled what factors influence sleep in menopausal women.