If you're literally sleeping on the radar antenna you're in the near field of the antenna. Meaning, the antenna doesn't work at all like it was designed and you

If you're literally sleeping on the radar antenna you're in the near field of the antenna. Meaning, the antenna doesn't work at all like it was designed and you can get "strange" couplings, e.g. very high power density in a few spots on the body, and almost no power coupled to other parts.