One night after attending the State of the Union address with other members of Congress, Sen

John Fetterman, D-Pa., spent last night in the hospital

His office says Fetterman reported feeling lightheaded on Wednesday, and was kept overnight for observation

The senator is in good spirits and has been talking with his staff and family, his office said

Fetterman was at a Senate Democratic retreat when he started feeling unwell, his communications director

Joe Calvello, said in a statement to journalists. That retreat was reportedly held at the Library of Congress

He left and called his staff, who picked him up and drove him to the George Washington University Hospital," Calvello said

Fetterman's health has been a running undercurrent to his rise to the Senate. He suffered a stroke last year