Sleep disorders may lead to structural brain changes, cognitive decline, and neurological disease. Here’s what science says about the risk.

Stress worsens sleep quality and can impair memory. Shinjae Chung, from the University of Pennsylvania, led a study to ...

You’ve just flopped on the couch after a long day. Maybe you stared at spreadsheets, negotiated with toddlers, or endured an ...

Stress worsens sleep quality and can impair memory. Shinjae Chung, from the University of Pennsylvania, led a study to ...

A new study reveals that economic pressures are taking a significant toll on Americans' mental and emotional well-being.

Lately, eight hours hasn’t been enough. I slept at the right time, and woke up at the right hours. I was still tired. I ...