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Now I lay me down to sleep is a classic children's bedtime prayer from the 18th century.
Video Now I Lay Me Down to Sleep
Text
Perhaps the earliest version was written by Joseph Addison in an essay appearing in The Spectatoron 8th March 1711. It says:
A later version printed in The New England Primer goes:
Maps Now I Lay Me Down to Sleep
Other versions
It is sometimes combined with the "Black Paternoster", one version of which goes:
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References
Source of the article : Wikipedia