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Bent Walls and Elevated S'chach in a Sukkah
Sources discuss the halakhic doctrine of דופן עקומה (a bent wall), which permits a wall to be treated as extending inward even when the s'chach sits above it, provided the distance between them does not exceed four amot. The sources establish the conditions under which such a configuration remains valid.
דופן עקומה אפי' אין הדופן אלא י״ט והגג גבוה ממנו הרבה
Walls Higher Than the Sukkah Roof
Medieval and early modern sources examine whether a sukkah remains valid when the wall used as a דופן עקומה (bent wall) exceeds the height of the s'chach (roofing). The halakha addresses the relationship between wall height, invalid roofing material, and the requirement for sufficient valid s'chach.
אמרינן דופן עקומה
Walls Higher Than the Schach in a Sukkah
Classical and later authorities address whether a wall that rises above the schach can still qualify for the legal fiction of דופן עקומה (a bent wall), which permits the sukkah to remain valid even when invalid roofing adjoins the wall. The sources discuss the relationship between wall height, schach placement, and the four-cubit measure that defines when this principle applies.
אמרינן דופן עקומה שאנו רואים כאילו הדופן עולה עד הסכך
Sukkah Roof Materials and Ritual Requirements
Sources from the Mishnah, Talmud, and later halakhic works defining the valid composition and construction of a sukkah's s'chach, including requirements for plant-based materials, detachment from the ground, and exemption from ritual impurity.
דבר שגידולו מן הארץ שנעקר מן הארץ ואינו מקבל טומאה
The Fallen Sukkah of David in Bentching
Sources explore the Prophetic image of raising up the fallen sukkah of David—recited in the Harachaman blessing during Sukkot meals—and connect it to the practical halakhic requirements for building and repairing a valid sukkah, including structural integrity of walls and s'chach.
בַּיּוֹם הַהוּא אָקִים אֶת־סֻכַּת דָּוִד הַנֹּפֶלֶת
Sukkah Obligation on a Ship
Sources discuss whether a sukkah built on a ship is structurally valid and whether a ship itself qualifies as a stable dwelling place for sukkah purposes. The sources examine the distinction between a sukkah's physical validity and the separate question of whether travel by ship exempts one from the obligation.
העושה סוכתו בראש הספינה
Sleeping in the Sukkah on the First Night
Sources address whether one is obligated to sleep in the sukkah on the first night of Sukkot, including how this obligation applies to incidental or temporary sleep, and whether discomfort provides an exemption.
אין ישנים חוץ לסוכה אפילו שינת עראי