Summer Ocean Wave Sounds for Deep Sleep | 盛夏 Sei-Ka | High Summer (3 Hours)

Gentle waves for deep sleep and quiet rest. Inspired by a humid summer landscape, with subtle variations that unfold naturally over time. Exclusively crafted for FERNORA. Sound design ------------ Built from natural base audio with colored-noise support tuned for Deep Sleep Ambience. Audio structure --------------- natural audio : brown noise : pink noise : white noise = 0.833 : 0.083 : 0.083 : 0.000 Stable low-contrast support with stronger masking and no added white-noise edge. Note: Natural environmental sounds may include occasional dynamic changes. Please keep the volume at a moderate level. 00:00 Chapter 1 – Base 36:54 Chapter 2 – Dusk 01:10:44 Chapter 3 – Mist 01:57:32 Chapter 4 – Humid 02:25:26 Chapter 5 – Calm Return This piece is shaped around low-arousal atmosphere, sensory stability, soft natural variation, with gradual visual changes kept intentionally subtle. Research references ------------------- • WHO – Environmental Noise Guidelines for the European Region (2018) • National Sleep Foundation – Sleep hygiene (general guidance)