Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. When Dr. Luc Beaudoin was an undergraduate ...

You toss and turn in bed, eyes wide open, while your mind runs through a list of forgotten emails, replayed conversations, and imagined scenarios. Rest assured: you're not alone. Faced with insomnia ...

(CNN) — When Dr. Luc Beaudoin was an undergraduate student nearly 40 years ago, he often had trouble falling asleep on Sunday nights and was eager to find a solution. “I thought to myself: If I can ...

(CNN) — When Dr. Luc Beaudoin was an undergraduate student nearly 40 years ago, he often had trouble falling asleep on Sunday nights and was eager to find a solution. (CNN) — When Dr. Luc Beaudoin was ...