(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? Are your kids safe when they’re at school? Will international conflict and political division ever end? Will you lose your job to artificial intelligence?

The more your mental hamster wheel turns, falling back to sleep seems further out of reach.

“Waking up in the middle of the night with racing or intrusive thoughts is very common and is actually one of the most frequently reported symptoms of chronic insomnia ,” Dr. Michelle Drerup, director of education and behavioral sleep medicine at the Cleveland Clinic’s Sleep Disorders Center in Ohio, said via email.

Why this nighttime anxiet

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