Strange nocturnal experience

On the night of Monday Jan 10th 2005 I was lying in bed awake as I often do. It is normal for me to wake up a lot during the night, and sometimes I am then awake for several hours. On this occasion I suddenly heard this sound in my left ear; I don't mean that the sound was to my left, but the sound was experienced as being localized in my left ear. The sound was like that of a radio tuner looking for a station, loud static rising and falling in pitch. This continued for less than a minute and then the static stopped and was replaced with a male voice speaking. However, though there was no static, the voice was buzzing as though it was a bad line on a phone, and I couldn't make out anything that was being said. The speech was not a continuous stream of words, but consisted of several short sentences, punctuated by pauses. After about a minute of this the voice went and was replaced by the static again. After a few seconds of this the static disappeared again and there was silence once more.

I make no judgements about what was going on, I simply report this as an unusual experience.