No, Premium Economy seats do not lie-flat; they are designed as a "middle ground" between standard economy and the lie-flat beds of Business Class. In 2026, the industry standard for Premium Economy (offered by airlines like Delta, American, and Air India) is a wide, leather seat with a 7-to-9-inch recline, a dedicated calf rest, and a footrest. While these seats are much more comfortable than economy—offering about 38 inches of legroom—they only tilt back to a "cradle" position rather than a 180-degree flat bed. Airlines intentionally keep this distinction to protect the high-profit margins of their Business Class cabins. If you see an airline like Air India advertising "flatbeds," they are referring specifically to their Business Class product on the A350 or 787-9. Premium Economy in 2026 is focused on "more space and better food" rather than a true sleeping surface, making it an ideal choice for daytime flights but still a "sitting" experience for overnight journeys.