(CNN) — You fall asleep at an appropriate hour, giving yourself enough time to rest before a big day ahead — only to be jolted awake by racing thoughts: Was your friend secretly offended by your joke?

MINNEAPOLIS — As people get comfortable at night in bed, discomfort can begin in their minds. Suddenly, they're stuck on a thought and struggling to sleep. It's ironic that in a place and time meant ...

I love love, and I’m lucky to have found a partner who’s almost perfect ― when he’s awake, anyway. Trouble is, for about a third of our time together, my boyfriend is asleep next to me. And until ...

You’re finally in bed. The lights are out. Your body is tired. But your mind? It starts whispering—or sometimes shouting—“What if?” What if I mess up tomorrow’s presentation? What if my child is ...

There is no debate about the importance of adequate and healthy sleep for our physical and mental well-being. I am sure you will agree that waking up to start the day after a good night's sleep leaves ...