Night is a hard time for people who have sensitive skins if their sheets are made of synthetic fabric. So if you suffer from allergies, silk bedding may be helpful for you to have a better sleep.
Silk are allergy free. To people who suffer from allergies, silk blankets will offer a dramatic improvement in their allergic reactions to dust. Dust mites tend to inhabit sheets and bedding. However, dust mites tend not to like silk, finding it to provide a much less hospitable environment for them to inhabit. Therefore, allergy sufferers have been known to sleep much better in the allergy free sheets and experience much less sneezing fits.
Thus, raw silk duvets can provide a good environment for people, especially for the allergies. You will have a better life only if you can sleep well every day.