“Possible cause of insomnia” crossword clue

Reveal the answer to see why it works and where this clue has appeared before.DRIP is the answer to the New York Times crossword clue “Possible cause of insomnia”. It was last seen in the puzzle of May 4, 2025, where it runs at 84 Across and fills 4 squares. It crosses 4 other entries in that grid — those are listed below and are the quickest way to confirm the letters you already have.