A study of more than 7,600 U.S. women found confusion about perimenopause is common, with about one in three women over 35 unsure whether they're in the transition.

A new study finds no link between sedative use during pregnancy and neurodevelopmental conditions like ADHD and autism in children.

A large, new study finds menopause is associated with brain changes and poorer mental health — whether or not women use hormone therapy.

Depression not only makes epilepsy harder to treat but may also raise the risk of developing it, new research finds.

In a new study, young adults who kicked their social media habit for one week reported less anxiety, depression and insomnia.

People with insomnia who take melatonin for at least a year face a higher risk of heart failure over time, according to the preliminary results of a large new study.

A new study finds more than 1 in 5 young adults are using marijuana or alcohol to help them fall asleep.

A new study finds mothers who deliver by cesarean section are more likely to experience severe pain that disrupts sleep and daily life.

A new study finds mothers who deliver by cesarean section are more likely to experience severe pain that disrupts sleep and daily life.

A new study suggests chronic insomnia may be an early warning sign or contributor to cognitive decline.

A new study identifies 14 types of gut bacteria that appear to increase the risk of insomnia and 8 that may protect against the sleep disorder.