Abu Musa Al-Ash'ari (May Allah be pleased with him) reported:
Messenger of Allah ﷺ said, "When a slave of Allah suffers from illness or sets on a journey, he is credited with the equal of whatever good works he used to do when he was healthy or at home".

[Al-Bukhari].

السابع عشر: عنه قال: قال رسول الله ﷺ :" إذا مرض العبد أو سافر كتب له مثل ما كان يعمل مقيماً صحيحاً" ((رواه البخاري)).