Honestly, Yuushi could understand how a dream like that would disturb Chitose to the point of staying awake. And taking a walk. Undoubtedly, he would do the same.
The more he listened, the more he really just wanted to wrap his arms around the other teen and pull him to bed for comfort. If only it were possible to reach through the phone and do such a thing.
"Aah," He murmured softly. "Not as easily forgotten, in this case. It does beg the question of what's bothering you, my love." And if it was anything he could help.