I don't hear radio stations, you might want to get your antenna checked. But I get the same sounds when I am laying in bed before I fall asleep and they also coincide with twitches or flinches and sometimes visual flashes.
ALSO - eveyone should checkout mynoise.net
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Yes!
This literally usally happens right on the cusp of falling asleep...
I equated it to what I had read a long time ago that "in order for one to fall asleep the body shuts down the sensory systems, and the last one to turn off prior to sleep is hearing"
So I thought that it was caused by the creaks hitting my ears at time of turning asleep -- but it happens when even I am not fully asleep.
But the body twitches really freak me out. I'll basically hit 'asleep' and Ill have a flash in my internal vision (white light looking like an iris of an eye is best way to say it) - and a full body twitch, it jolts me back awake.
The morbid thought in my head is that this may be associated with sleep apnia and my body twitching back 'alaive' after stopping breathing ; however - this happens when I am not even fully asleep...
So I am at a loss - I presume it is a vitamin defficiency, so I just bout some multi-Vs this week...
Hypnic jerk is my thing, and im male - and have all the halmarks such as chronic insomnia, but just started melatonin.
But wow - yeah it scares the heck out of me, yet the wiki says "benign" so that is thankful...
A morbid dark, intrusive thought that has happened to me when these occur is that my heart stopped due to sleep apnia and that I was startling myself back alive...
however these occur even when I am not yet asleep and in twilight mode.
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SIDS ;;
This reminds me of what the believe the cause of SIDS to be: a pocket of co2 around the infants breathing-bubble where they are just recirculating the CO2.
So, I wonder if the infants dont yet have the ability to startle themselves back awake... but adults do.
I have had two people close to me who have had SDIS babies, and its horrifying.
A small crib fan may prevent CO2 bubbles...