Whip-poor-wills.
courteous sailors tie the rigging away from the mast so neighboring boat can sleep at night!Harbour sounds. When the wind blows through the moored yachts and you hear that "chink, chink, chink" sound of rigging tapping against mast.
It never used to keep me awake. Quite the opposite, I always found it very soothingcourteous sailors tie the rigging away from the mast so neighboring boat can sleep at night!