Image Jokes health jokes, hospital jokes How to effectively spend time in Tread Mill.. It works. JK ⋅ October 6, 2016 The doctor asked to spend at least one hour per day on the treadmill. This is one interesting way to spend time in tread mill. Like 0 Liked Liked « 10 best things you can do to make your wife happy! » Winner of Rabbit and Tortoise Race. Result was wrong.