The 28-year old striker has managed just two substitute appearances for the Whites since Darko Milanic took the reins at Elland Road three games ago and admits he is frustrated at the current situation.
Sharp, who joined Leeds from Southampton in the summer, started six times by mid-September and is now looking to become a first team choice under the new boss who replaced Dave Hockaday on September 23.
"I am frustrated and the manager knows that and I have got to keep doing what I do and get back in the team and keep it (the jersey)," Sharp told the Yorkshire Evening News.
"When you are not playing, the international breaks are a bit of a welcome break and you can get the frustration out of your head and come back fresh and go again and get back in the team.
"Obviously when you are playing, you want to just keep going to keep the rhythm going. But I am happy for this break just to clear my head.
"Obviously, every professional footballer wants to play football and I have not played as much as I would have liked to have done.
"But I have just got to get my head down and work hard and when I do get in the first team, take my chance. There's always four strikers at every club and you have got to be on your game to be in the team."
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