Ferguson says playing in the European Championships AND the London Games is too much for his players.
"I wouldn't like to see our young players who might be involved in Euro 2012 then being selected for the Olympics," Ferguson told United Review.
"I welcome their involvement at international level but if they go to the Euro finals they will need a break.
"I know they are young, fit and eager, but they will need to rest.
"I am sure Stuart Pearce will bear this in mind. I certainly hope so because I wouldn't like to see them burnt out before they have really started."