Peter Eötvös was both star composer and conductor tonight in Geneva, presenting his thirteenth opera, Sleepless, and leading from the pit. A joint commission from the Staatsoper Unter den Linden and the Grand Théâtre, this was the second production and joint premiere of the opera, after Berlin in November 2021, and although the Swiss audience’s reception was a little lukewarm – Geneva’s opera-house stalwarts still not quite settled into Aviel Cahn’s admirable shift of direction in his time at the helm, perhaps – there was much to admire, and to think about, here.