Health Benefits. While the money savings is a good perk, sleeping on natural latex is even better. There are many âhealthy side-effectsâ that go with sleeping on natural latex foam. Pure, organic latex is inherently hypoallergenic, because it is not a man-made product, or a derivative of petrochemicals.
According to the Oxford English Dictionary, the earliest appearance of the phrase dead as a doornail appears in William Langland's 14th century religious allegorical poem, Piers Plowman. The relevant line in the original poem stated, Fey withouten fait is febelore Ã¾en nouÈt, And ded as a dore-nayl..
Possibly from a misinterpretation or misunderstanding of the expression dead as a doornail. See usage notes below. dead as a doorknob. (simile) Entirely, unquestionably or certainly dead. I tried the flashlight, but the battery was as dead as a doorknob.