They didn't seem convinced by the case put on by House impeachment managers.
Senators are adjusting to listening to hour after hour of testimony without their link to the outside world.
The impeachment managers made extensive use of video to support their case on the Senate floor.
Democrats began laying out their case for removing President Donald Trump from office.
The Supreme Court chief justice warned House managers and Trump attorneys to watch their tone.
White House counsel Pat Cipollone faced swift backlash over one particular claim.
The Idaho Republican was reportedly asleep for about 15 minutes during the proceedings.
Walter Shaub imagined trying to explain democracy to someone who'd just showed up at Donald Trump's impeachment trial.
The Senate will hear arguments from lawyers on both sides before debating whether to seek witness testimony and files.
The House impeachment manager quotes "Juicy" in response to Trump attorney Jay Sekulow.