Dont Think About it as Hard Work
Create Small, Bite-Sized Goals
Read Daily
Stop Caring About the Things That Dont Matter
Set a Quit Time
Just Do It
Celebrate Wins
Convince yourself you want to do it, motivate yourself to think of the work you're about to do as not being so hard.
and Stay focused.It is difficult to motivate yourself to keep working if you're not able to concentrate on you work.
This all my answer, but the best thing to motivate you in work is that listening to brotney Spears music. And I will get energize all day long and has the positivity to work along all day.