But if you have a flexible or changing schedule and tend to rise whenever your body feels like it, or you vary your wake times on purpose, sleep in a ton on weekends, or are just a big fan of the snooze button, sleep doctors would like to have a word. Over the years, many sleep doctors SELF has spoken to have harped on the importance of maintaining a consistent sleep-wake schedule—it’s among the top habits sleep doctors themselves uphold, it can help you get out of bed more easily in the depths of winter, and it can even keep the clock change this time of year from wrecking your sleep.