New Delhi, April 17 -- Sleep on a long-haul flight in economy class has always been a fantasy for many travelers. Air New Zealand will soon offer a solution that involves climbing into a triple-tier bunk bed wearing special socks.

The airline will soon open bookings for four-hour stints in the Skynest sleep pods and says they will be the first lie-flat beds for budget air travelers. Fliers will get cozy with their fellow passengers, however, so crumbs, strong perfumes and bedsharing are forbidden.

The curtained berths will be available to economy and premium economy fliers on the airline's new Boeing 787-9 Dreamliner aircraft from November. The planes will service the Auckland to New York route, which is one of the world's longest comme...