That is to be expected, in one of an advanced age. The Maker understands the natural infirmities of the body; aging is, after all, His work as well, bringing us nearer to the time when we will join Him. [ you can hear the capitalization in her tone ]

I believe it would be acceptable to combine those hours, so long as one was certain to pursue penitence in the Fade as well. Dreams are no excuse for us to decrease our vigilance against impious thoughts.