New Jersey Sen. Cory Booker took to the Senate floor at 7 p.m. on Monday, March 31 and did not yield the floor for more than 25 hours.

In the quiet hours of the early morning, as most of America sleeps, New Jersey Senator Cory Booker is still standing—literally—on the floor of the United States Senate, delivering a marathon speech that has stretched from Monday evening deep into Tuesday morning.

Florida state Sen. Randy Fine has won a closer than expected race against Democrat Josh Weil. Tuesday’s special election was for a vacant congressional seat that the president carried by 30 points less than five months ago.