Easy and simple sound like the same thing. They're not.
What is easy for one person may be difficult for others.
"Getting out of bed" is simple. The act itself is a limited set of motions that you know how to do. Asking that person you're interested in on a date is also simple: you simply ask them.
"Get out of bed" may be easy for some people, but for those experiencing depression or with mobility challenges, getting out of bed can be an impossible task. Asking that person you're interested in on a date is not easy: it's a stressful situation that intrinsically triggers our fight-or-flight response.
"Simple" refers to the complexity of the actions required in order to complete a goal.
"Easy" refers to the effort required to complete those actions.
It's worth noting that simplicity and ease are also relative to the person describing them. What is easy or simple for one person may be difficult or complex for another. Our reference for scale is purely based on our own experiences and our own current skill.
We don't all use the same scale.