Board Thread:Theories and Speculation/@comment-3568954-20150530220024/@comment-734582-20150531112731

Mecha Naruto wrote: I didn't read the above post but I read yours Naruto did feel fatigue and stress of the clones, in the manga he did feel exhausted he collapsed after the training. Considering that each clone expended a lot of chakra during that training, it's only natural he feels drained.