They listened to the hypnotic but meaningless sound for a few minutes; then Floyd switched it off.
The hypnotic sound of the air conditioner wafted to my ears.
It was a hypnotic sound, rhythmic as a giant heartbeat or the breathing of the planet, and strangely familiar.
On Monday, I woke at 7.30am to the hypnotic sound of lapping water beneath our balcony.
You wake to the hypnotic sound of oceanic waves.
In anguish, he turned his head to savor the last, hypnotic sounds arising from the bridge.
Lulled by the sight and the hypnotic sound of water, we half enter a dream world.
Under him the lion started to purr, a deep, baritone rumbling, a very relaxing sound, hypnotic, even.
What's more, I had never before witnessed such dark, star-filled skies or heard the hypnotic sounds of the bush.