The Swiss firm Yasava Solutions SA has created a new, ergonomically designed, lie-flat seat for business jets that promises to take the discomfort out of long flights. The Aïana Wave seat was designed with a special focus on human physiology and with the help of research from aeromedical sciences and sleep psychology. The seat can easily be adjusted using precision mechanics and gravity, without the need for electrical actuation. Its wide variety of positions helps provide comfort, even during long globe-hoppi…