From my cosy cocoon, I heard the call and response of birds zipping electrically through the night air, the staccato rhythm of galloping hooves, the whoop of hyenas stalking fresh meat.
"Exercise is known to help with sleep if you don't do it just before bedtime, " possibly because it promotes overall good health and helps enhance the body's circadian rhythm, which promotes activity during the day and resting at night, says Rapoport.
Of course, finding the rhythm in Vienna can also mean a quiet stroll through the Baroque streets at night, a meander along the banks of the Danube or just stirring a cup of coffee in a cafe.