Mackey said when he was drinking alcohol, his total sleep would drop, on average, about an hour. "I like drinking alcohol, so I did not want to give it up. But I did the experimen ...

Still, it's just another month for Whole Foods ... of wine or beer a few times a week, and his "total sleep would drop, on average, about an hour" when he drank. "I like drinking alcohol, so ...

For the founder of Whole Foods, however, it was insight gained ... Mackey said his Apple Watch contributed to his decision to cut alcohol out of his life for good. “I was tracking my sleep ...