<div dir="ltr"><p>I think the answer lies in resolving the Gemara Berachos 3b which indicates that princes would get up after "Tartei Dyemama" in the context of "Derech Bnei Melachim Laamod Beshalosh Sha'os." The Bach (Simman 58) explains that they would wake up at the end of the second hour, get dressed etc., and would recite Kerias Shema by the end of the third hour.</p>
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