(CNN Business) Tech companies may be known for their hustle culture, in which working around the clock is the norm. But on Wednesday, more than 60 companies including Lyft and Rent The Runway plan to give their employees some "me time" during work hours.

It's part of a one-day campaign called "National Mental Health Break," which was launched by Shine — a startup best known for its daily text-message service designed to address negative thought patterns. The company wants to raise awareness about mental health in the workplace and encourage more companies to have ongoing dialogues with employees about mental health days so they aren't viewed as taboo.

On May 15, participating employers will have a mental health break for staff at 3 p.m. local time, or allow employees to take time to themselves at any point throughout the day.

Some companies have organized group meditations while other firms will allow workers to go home several hours early. Some have agreed to review their mental-health day policies as part of the effort. The hope is to begin to normalize taking a mental health break from work, at a time when its easier than ever to stay in constant contact with colleagues via Slack, email and text.

Shine has recruited a host of companies and organizations including GIF-search engine firm Giphy, dog food delivery startup Ollie and HR services startup Justworks to participate in the campaign.

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