
Calm is the world's highest-grossing meditation and wellness app, founded in 2012 by Alex Tew and Michael Acton Smith. Known for its Sleep Stories — bedtime tales narrated by celebrities including Matthew McConaughey, LeBron James, and Harry Styles — Calm has over 100 million downloads and achieved unicorn status with a $1 billion valuation in 2019. The app offers guided meditations, breathing exercises, masterclasses from mindfulness teachers, and an extensive library of relaxation music and soundscapes. Calm's success demonstrated that sleep and relaxation content could command premium subscription revenue at massive scale.
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