‘I Used to Sleep Under My Desk:’ How a Burnt Out Executive Changed His Ways and Now Runs a Sleep Wearables Company.

Opinions expressed by Entrepreneur contributors are their own.

Tim Rosa remembers the day he realized his true calling.

When he was the Chief Marketing Officer at Fitbit, the wearable fitness tracking device, he pored over emails, forum posts, and support logs. There, he discovered moving stories from customers—one said the product had helped him discover a heart issue, and another said it helped her reverse type two diabetes and finally get pregnant.

“I would literally be in tears reading these stories,” Rosa says.

 » …