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Sleep is very susceptible to stress and other factors, so music can be said to be one of the most important "means to support a comfortable sleep" to ensure a stable sleep.
This album is not only for relaxation purposes, but also has a calming effect on mentally calming, so it is also effective for disruption in the autonomic nervous system and depression.
Use it not only before your night's holidays, but also as a music for reading or working on holidays.
This will help you to familiarize yourself with the collection of works, and will lead you to a better sleep and peace of mind.