The former president appeared to rest his eyes during Barack Obama's opening ceremony for his new presidential center in Jackson Park, Chicago, on Thursday.
Barack Obama opened his presidential center in Chicago with former presidents, celebrities and dignitaries in attendance. President Donald Trump was absent.
It's a big day for the Democrat Party - as four previous Presidents and their liberal celebrity friends descended on Chicago for the grand opening of Barack Obama's library.
Political elites, White House alums, donors and business leaders will converge on Chicago on Thursday to commemorate the launch of the Obama Presidential Center.