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Cover of Sleepless

Sleepless

Gordon Korman

Themes inside · 1 Ages 9–14 NYT Best Seller
Published
2026

Content report card

What's inside

Medium confidence

Violence

Fighting, weapons, death

Language

Swearing, crude humor

Sexual content

Romance intensity, nudity

LGBTQ+ themes

Presence of characters or themes

Scary or mature

Horror, trauma, heavy themes

Substance use

Alcohol, drugs, smoking

What it offers

Positive messages

Kindness, courage, honesty, resilience

Positive role models

Characters who model good judgment and growth

Educational value

History, science, culture, how the world works

A note for parents

Sleepless is a mystery-adventure by Gordon Korman, known for age-appropriate middle-grade fiction, following five kids who mysteriously lose the need to sleep and must uncover why while keeping it secret. The core tension involves minimal violence or explicit content, though the mysterious circumstances and stress of hiding a strange condition create some mild psychological tension. The book emphasizes themes of friendship, problem-solving, and the importance of cooperation, with protagonists who make thoughtful decisions and support each other.

Analyzed by AI · 1 hour ago

Parent age guide

Is “Sleepless” right for your kid?

Ready from about age 9.

From about 8, okay with a grown-up nearby.

For younger readers

  • Suggested for ages 9+.

Based on this book's content report card and typical guidance by age. You know your reader best.

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From the publisher

From the #1 bestselling author of RESTART, the story of five kids who are up all night every night... and desperate to find out why. There's not enough time in the day. How often have Mickey, Skye, Levi, Cyrus, and Thea thought that? Well, now they have plenty of extra time... because they no longer need to sleep. None... From the #1 bestselling author of RESTART, the story of five kids who are up all night every night... and desperate to find out why. There's not enough time in the day. How often have Mickey, Skye, Levi, Cyrus, and Thea thought that? Well, now they have plenty of extra time... because they no longer need to sleep. None of them knows why this is happening to them. All they know is that they have to keep it a secret from their families and their friends. And while they keep it a secret, they can use their extra hours to become better than everyone else. Each of them thinks they're alone in their sleeplessness. But once they find each other, they know it can't be just an accident. Suddenly they're forced to ask: What's keeping them awake at night?

Shelved under

  • Juvenile Fiction

ISBN 9781546126119 · Scholastic Press