updated 06/12/2012 AT 7:30 AM ET
•originally published 06/12/2012 AT 7:40 AM ET
Chipper, energetic and visibly grateful, Robin Roberts returned to Good Morning America Tuesday, a day after revealing she is battling MDS, or myelodysplastic syndrome, a rare disease of the blood and bone marrow – and that she will have a bone-marrow transplant, with her sister, Sally-Ann Roberts, as a donor.
“I slept like a baby for the first time since my diagnosis,” Roberts, 51, said at the top of the show Tuesday. She also expressed her thanks for the outpouring of “comfort and support” she’s received from viewers, along with all the advice that has been dispensed and that she’s been finding helpful, she said.
In addition, she also heard from First Lady Michelle Obama and Ann Romney, the wife of the presumptive Republican Presidential nominee, Mitt Romney.
“Barack and I have you in our prayers. We believe in you and thank you for bringing awareness and hope to others. mo,” Mrs. Obama Tweeted.