The Chabad custom is to repeat the words ה' אלקיכם and then also say אמת even during the Bedtime Shema, this is recorded in Sefer Haminhagim and also the Igros Kodesh. It's even printed in the Chabad siddur this way as well.
The reason is to arrive at 248 words altogether, corresponding to the 248 limbs as brought forth in Chatzkel's answer, quoting the ...
This is quite an interesting question! One would surely say maariv, even if he said birkat hamapil. Ideally, one would fall asleep for a small amount of time, wake up, and say maariv, but if this isn’t possible then just say maariv.
The halachic basis for this is to fulfill the obligation to love god with “all your heart, all your soul, and all your might” some rishonim say that “all your might” is fulfilled by saying shema as you die.
It’s quite unclear what is a biblical commandment. Most rishonim agree that the third paragraph is not included. I will break up the shema into 4 parts (not including the third paragraph).
All 5 of these parts are probably included in the biblical obligation. Some ...
The brachot serve as a bracha for the shema, exactly how you make a bracha before shaking lulav or putting on a tallis. The Halacha is that the brachot are still made even if it is not time for kriyat shema (if someone is saying maariv before tzet or shacharit after the 3rd hour). Although this is not a custom anymore, geonic responsa states that if one had ...