这张背景音乐专辑特别调谐至417Hz。417Hz是一种与自然节奏（如人类心跳和呼吸）紧密相关的频率，提供一种舒缓而温柔的声音体验。它有助于释放肌肉紧张，平衡自主神经系统，减轻压力，改善睡眠质量，并支持持续的专注和集中。非常适合工作、学习或在睡前放松，这张专辑营造出一种宁静的氛围，让你感到轻松自在。爵士乐在休息室环境中创造出终极宁静与和平的夜晚，释放身体和心理的紧张，带来深度放松。这张专辑特别适合成熟的成年人在夜间聆听。This BGM album is specially tuned to 417Hz. 417Hz is a frequency said to be closely aligned with natural rhythms such as human heartbeat and breathing, offering a soothing and gentle sound experience. It is known to help release muscle tension, balance the autonomic nervous system, reduce stress, improve sleep quality, and support sustained focus and concentration. Perfect for work, study, or winding down before sleep, this album brings a calming atmosphere that helps you feel at ease. Let yourself be embraced by a sense of peace through its gentle tones.Jazz that creates nights of ultimate tranquility and peace in a lounge setting. It releases physical and mental tension, leading to deep relaxation. Special night BGM for sophisticated adults.