最适合夜班后入睡的声音
你需要在太阳出来时入睡，邻居们都醒着，身体的生物钟在大喊“现在是白天”。夜班睡眠同时要对抗生物节律和环境双重挑战。
How sound helps
低频声音遮蔽: 低频噪音——交通轰鸣、邻居的低音、暖通空调的嗡嗡声、楼上的脚步声——比高频声音更容易穿透墙壁和地板。白噪音（所有频率能量均等）在遮蔽这些低音为主的干扰方面效果较差。棕色噪音将能量集中在低频段（每倍频程-6分贝），使其成为遮蔽城市环境噪音最有效的选择。
Source: Acoustic engineering principles
Setup guide
遮光窗帘加棕噪音音箱是两个必备工具。将音箱朝向窗户。夜班工作者可能需要持续播放声音，因为白天噪音高峰不可预测。
推荐声音
brown noise
Daytime ambient noise is louder and more variable. Brown noise's heavy low-frequency emphasis handles traffic, construction, lawn equipment.
Recommended: 50-65 dBrain sounds
Broad-spectrum masking that covers both low-frequency traffic and mid/high-frequency voices. Plus parasympathetic activation.
Recommended: 50-60 dBpink noise
For lighter sleepers who find brown noise too heavy. Balanced masking comfortable for 6-8 hours of daytime sleep.
Recommended: 45-55 dB立即试听
Listen on Softly
专业建议
夜班工作者需要比夜间睡眠者更强的遮蔽。白天环境噪音可以高出15-25分贝。不要犹豫，把音量推到55-60分贝。
常见问题
为什么白天睡觉比晚上难这么多？
两个原因：你的生物钟在白天主动促进清醒状态，而且环境噪音明显更大。声音遮蔽可以消除环境这一半的问题。
How does sound help with night shift?
低频声音遮蔽: 低频噪音——交通轰鸣、邻居的低音、暖通空调的嗡嗡声、楼上的脚步声——比高频声音更容易穿透墙壁和地板。白噪音（所有频率能量均等）在遮蔽这些低音为主的干扰方面效果较差。棕色噪音将能量集中在低频段（每倍频程-6分贝），使其成为遮蔽城市环境噪音最有效的选择。
What volume should I use for night shift?
For night shift, set your volume to 50-65 dB. This range is based on acoustic research — loud enough to mask distracting noise, quiet enough to avoid auditory fatigue during extended listening.