Half awake-half asleep

I just came from a short nap. I usually won’t take a nap but seems I feel so weak and thus, I took one earlier. But its several minutes now that I am awake and I feel like I am half awake and half asleep. I even took a shower already but still I am feeling like I just woke up. Strange! Would it mean I need to take a nap again? *sigh*