Do you let your urine "cool" to room temperature before using OPK or pregnancy test?

Andee • 31 w/ Prolactinoma, Quit HC in 2014. *Finally conceived Jan. 2018. Baby Girl born 10/29/18*
I'm a newbie to OPKs. Recently purchased a bunch of the Wondfo brand and was a little surprised to read in the instructions that urine should be room temperature to test accurately. Wondering if that's truly necessary, and if so, for how long I should let the collecting container sit out before dipping the stick.

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