Beethoven’s ‘Moonlight’ Sonata is the most popular piece of music to fall asleep to, according to a global sleep study. A fifth (20 percent) of UK respondents said the enduring 1801 piano work, known ...

When the “Moonlight” Sonata was first published, the dedication page was in Italian, so she’s been known as Giulietta ever since. She left no diaries and few letters.