1 Hour 528 Hz Sleep Frequency | Pure Black Screen (OLED) | Anxiety Relief

1 hour of 528 Hz frequency designed for deep sleep, cellular repair, and calm meditation. Paired with a 100% pitch-black OLED screen to eliminate visual fatigue and promote natural melatonin production. The 528 Hz Solfeggio frequency helps quiet an overactive mind, release tension, and facilitate restorative rest. • Frequency: 528 Hz (Solfeggio Tone) • Visual: 100% Pure Black Screen (OLED friendly, zero glare) • Duration: 1 Hour Subscribe to UmbraHertz for pure blackout sleep frequencies.