In a 2011 interview on The Dr Oz Show, Winfrey said she paid for a transcendental meditation course for all her 400 employees.

”And you can’t imagine what has happened in the company, people who used to have migraines, don’t. People are sleeping better, they are having better relationships and they are interacting with other people better. It’s been fantastic.”

https://au.finance.yahoo.com/news/oprah-calls-this-meditation-technique-more-important-than-work-003618205.html