Box Fan for Sleep 9 hours captures the soothing box fan sounds without any distractions for a full and restful nights sleep. This low-light HD video with accompanying fan white noise program is designed to reduce blue-spectrum light-known to interfere with REM sleep. Used in hospitals in the US and Europe.
Box Fan for Sleep 9 hours captures the soothing box fan sounds without any distractions for a full and restful nights sleep. This low-light HD video with accompanying fan white noise program is designed to reduce blue-spectrum light-known to interfere with REM sleep. Used in hospitals in the US and Europe.
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