The New Jersey senator saw significant changes in his heart rate, stress score and movement throughout his historic speech.

To physically prepare for the feat, Booker used “a lot of tactics,” he said, including fasting and curbing water intake in the days before to make sure he could stand for so long and wouldn’t have to take a bathroom break.

N.J., wanted to do something extraordinary. He knew Democratic voters were desperate for it.So he took to the Senate floor with little fanfare and went on to deliver a marathon speech — excoriating the Trump administration for lawlessness and undermining American values and in the process breaking the record for longest Senate speech ever,

As Democratic Sen. Cory Booker neared Strom Thurmond’s record for the longest speech in Senate history Tuesday night, the typically sparsely filled viewing galleries above the Senate floor grew packed.

Many Democrats, including in Mr. Booker’s home state of New Jersey, reveled in his stamina and moxie as he assailed President Trump in the longest Senate speech on record.

An adrift Democratic Party received a much-needed jolt of energy this week when Democratic senator Cory Booker took to the Senate floor to speak in protest of the Trump administration’s policies, vowing to hold it for as long as he was physically able.

In a record-breaking speech on the U.S. Senate floor, Democratic Sen. Cory Booker accused U.S. President Donald Trump of "recklessly" attacking the nation's democratic institutions.

Democratic Sen. Cory Booker broke the record this week for the longest speech ever made on the Senate floor, but it wasn't a filibuster. Here's why.

Sen. Cory Booker joins Ari Melber reflects on beating Sen. Strom Thurmond's record for longest speech on the Senate floor. Thurmond's previous record was 24 hours and 18 minutes, speaking in opposition to The Civil Rights Act of 1957.