He realized she kept asking if he was sleepy because his attempts to speak looked like yawns. His inability to still speak was like speechlessness in bad dreams, airless and hellish, horrid.
Pretty much we're going to be bludgeoned with this "inability to speak" situation for a while. But because I came to identify with and respect Gately after all we've learned of him so far, his hospital recovery, though lengthy, doesn't seem tedious. Quite the opposite - I find it riveting.