Big White Room, Big Booming Voice

I sit in a dark room. My eyes wandering. Looking, but seeing nothing. Then, the lights turn on. The room is blindingly white. The floor is white tile, it's cold, but I make no intention of moving. The light illuminates the large room, but I can see no light bulb. The room is empty and it has no sound, like a vacuum. I am completely content, although the room is surprisingly generic and devoid of life except my own. I can't even hear my own breathing. Am I breathing? I take a curios gulp of air, but still I only hear the ringing of silence threatening to run out of eardrums and take over the whole room. I sit in the room, as though I am supposed to be there. Being the curious person I am, I make a small noise. It is almost inaudible. At least I haven't gone deaf, the thought crosses my mind. "No, you are not deaf." I hear a voice bellow. It was not me, I surely had not talked in such a deep voice. A bed appears in the room. I look at it suspiciously. I was sure it was a trick. I felt like I would be breaking some sort of rule by moving from my spot. "Go ahead." The voice reassures me. I move up, my legs feeling like jello. How long have I been here? Once again the voice responded to my thoughts. "Very long. Now sleep, you will need the energy." I slip into the bed and pull the covers over me. Sleep comes easily to me, unlike usual. Then I wake up.

This a dream I have had for a couple of nights now. What does it mean?