Tafseer Ibn Kathir of AL KAHFI [62]

فَلَمَّا جَاوَزَا قَالَ لِفَتَاهُ آتِنَا غَدَاءنَا لَقَدْ لَقِينَا مِن سَفَرِنَا هَذَا نَصَبًا

So when they had passed beyond it, [Moses] said to his boy, "Bring us our morning meal. We have certainly suffered in this, our journey, [much] fatigue."