יְֽהוָ֗ה יִ֭סְעָדֶנּוּ עַל־עֶ֣רֶשׂ דְּוָ֑י כָּל־מִ֝שְׁכָּב֗וֹ הָפַ֥כְתָּ בְחָלְיֽוֹ׃
The LORD support him upon the bed of illness; mayest Thou turn all his lying down in his sickness.
Read halakhic rulings (Jewish law) on Psalms 41:4: and classical halakhic sources.