I felt that way afterward and I took quite a few months off. Most people don't kick in into high gear until they realize the deadline is ~2 months out. Regardless of which round you're applying, I'd day start combing your target schools' websites at a leisurely pace over the next two months. I put together a sort of FAQ sheet for me - highlighted things about the program I was attracted to, classes, clubs, alumni, the "theme" of the school (finding the common theme in their language). I also did an inventory of myself - examples of leadership, challenges, over coming obstancles, strengths, weaknesses, academic achievements, community achievements, etc. so that I would have thos ecxmplaes on hand once I started writing.
In June/July the essays should come out as well as deadlines, I added those and recommendation questions (if available) to my FAQ sheet. You can also start framing your answers to the essays, it will change about 3-4 times by the time you get a finished product, but it helps to start thinking them through. If you're applying round one, I say use the summer to reach out to current students or those who just graduated, also make a schedule of when you plan to visit the schools and stick to it. I found that this process goes a lot smoother if you create a timeline for yourself.
In all, enjoy chillin for the next 2-3 months, you deserve a break after the GMAT, but try to get the grunt work done. The critical mass that is your job, school visits, local information sessions, networking, essays, and life in general will hit you in Aug-Oct (R1) in no time, if you're R2, I still say get the leg work done so that you can focus on talking to people in the fall.
Now that I'm on the other side, an admit, I'm struggling to find the motivation to apply to scholarships...the motivation issue never goes away