Sleep usually means a lot of things; Sleep is what helps one regenerate lost energy. Sleep can relieve stress, letting the body unwind and go into a maximum level of relaxation. But for Zipp, it does not seem to be the case.
It is Hearth's Warming, and the snow is coming down. Ponies are gathering for the holiday, some friends, others more than. For Hitch and Pipp, it will be unforgettable.
Shortly after the events of a big storm in Maretime Bay, and Hitch and Pipp finally letting their feelings about each other be known, they now have to tell the others. While everypony does approve, Zipp knows that she'll need to talk to Hitch soon.