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Category: Hypnagogic Twitch


2014-01-08 – Free Fall 2

EEG of Hypnagogic Jerk at 0101

I caught that feeling you get when you are startled awake by an intense falling sensation on file again, this time with EEG. At 0052 I was still awake and making sure the audio tracks were triggering, then at 0101 I twitched awake and checked the time.

The minute above shows the episode – the first spike was the twitch and seems to have flat-lined the channel for a few seconds. The rest of the movements are from me checking the time and settling again.

Download entry as Lucid Scribe Data (LSD) or Comma Separated Values (CSV). The CSV file doesn’t contain the RAW channel – it was running at 256 Hz and the CSV export doesn’t work for the illuminated plugins yet. I will fix that in one of the next updates.

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2011-09-21 – The Free Fall

Falling Asleep - Free Fall
You know that feeling that you get when you are just “falling asleep” and you get startled awake by an intense falling sensation? Well, I was lucky enough to be wearing my halograph after working very late when that happened last night. I was convinced that all of the measurement axes would be spiking much longer, but the effect is barely noticeable in the minute above.

As a consequence of coding too much and sleeping too little, there is no REM sleep in the entire recording. Only a false positive while falling asleep.

Download entry as Lucid Scribe Data (LSD) or Comma Separated Values (CSV).