Can someone please explain the halachot for someone who wakes up after zman kriat shema? After zman tfillah?
Kitzur Shulcah Aruch1 17:1 says of the Sh'ma:
A footnote on the last (parenthetical) sentence says that the Chatam Sofer permits the blessings until noon, and the Mishneh B'rurah (58; Biur Halochah) says if one was prevented by factors beyond one's control, he may recite the blessings until noon.
19:1 says of the t'filah:
This is consistent with the g'mara on B'rachot 26, from which I assume it's derived.
I have not found anything that addresses the circumstances under which oversleeping would or would not be considered beyond one's control.
There is also halacha addressing making up an unintentionally-missed t'filah at mincha.
1 I typed these in from the print edition of Kitzur Shulchon Oruch by R' Shlomo Ganzfried trans. by R' Eliyahu Touger, Moznaim Publishing, 1991 (Amazon).