R' Yitzchak Luria (Arizal)

What is the correct text of the seventh blessing of the Amidah ('Ger'ulah/Re'eh') — should one say 'Re'eh na v'onyenu' (with 'na') or 'Re'eh v'onyenu' (without 'na')?

The seventh blessing ('Re'eh') contains seventeen words — the word 'na' is not included in the text.

When should Aleinu L'Shabbei'ach be recited - after all three daily prayers or specific times?

Aleinu should be said after each of the three daily prayers

May one sleep while wearing a tallit with tzitzit?

Based on Kabbalah, one should sleep at night while wearing a tallit kattan.

When should one put on the head tefillin relative to winding the strap around the arm?

The Ari'zal would wind the strap seven times around the arm before putting on the head tefillin, bec…

In what order should one read the two mikra and one Targum — verse by verse or parasha by parasha?

One reads each verse twice in Hebrew followed immediately by its Targum, before proceeding to the ne…

Is there an obligation to wear tefillin all day, or only during Shema and Amidah?

The Arizal would not remove his tefillin until after 'Al kein nekaveh lach' (after Aleinu, at the ve…

Should one recite 'V'atah Yigdal Na' (Numbers 14:17) and 'Zechor Rachamecha' (Psalms 25:6) when the chazzan begins 'Yitgadal'?

One should not say 'V'atah Yigdal Na'; the Ari almost mumbled it and said it is not from the Tikkuni…

May one pray immediately after praying from a siddur vs. by heart — does using a siddur improve kavvanah?

One should pray from a siddur to maximize kavvanah and avoid swallowing vowels.