4K Real-Time Ocean Waves on Rocks as the City Lights Turn On, 3 Hours for Deep Sleep & Relaxation

Real-time ocean waves on rocks for deep sleep and relaxation: 3 hours on the rocks of Son Tra Peninsula, Da Nang, Vietnam, from evening into night. The screen never goes dark: the city lights come on across the bay, fishing boat lights head out to sea, and the lights shimmer on the waves. 🌊 Natural Sounds in This Recording: • Swiftlets calling and clicking in the evening sky • Ocean waves crashing on rocky shores • Deep acoustic boom inside the sea cave • Night crickets and coastal frogs • Distant fishing boats passing offshore • Pure authentic field audio (No loops, no music) ⏱ Timestamps & Progression: 00:00 5:00 PM · Evening Light & Swiftlets in the Sky 45:00 5:45 PM · Fading Twilight & Blue Hour 01:00:00 6:00 PM · City Lights Turn On Across the Bay 01:15:00 6:15 PM · Night Surrounds the Rocky Coast 02:00:00 7:00 PM · Deep Night Waves & Boat Lanterns 02:45:00 7:45 PM · Steady Coastal Rhythm into the Night 🎧 Listening Recommendations: • Headphones: best for the detailed stereo field recording and the deep boom of waves inside the rock cave. • Speakers / TV: keep the volume low and let the light fade from evening to night on screen while you fall asleep. 🌿 About This Recording: • Location: Son Tra Peninsula, Da Nang, Central Vietnam • Audio: 100% original stereo field recording (No Music / No Narration / No AI) • Visuals: Native 4K Ultra HD (Realtime) ▶ Explore More Vietnam Ambience:    • Vietnam · Real Sound · No AI   Bill 42 — Authentic field recordings from Central Vietnam: ocean waves, rain, mountain streams, passing trains, and quiet night atmospheres. New recordings published regularly. All audio and visual material is original and personally recorded on location. © 2026 Bill 42. All rights reserved. #OceanWaves #CityLights #DeepSleep