Cat Trembling While Falling Asleep. With tenor, maker of gif keyboard, add popular cat falling asleep animated gifs to your conversations. A cat shake may be a symptom of a medical condition or hypothermia which may have severe consequences, so shaking shouldn’t be ignored.
It begins with slowly closing your eyes and then next thing you know, you're completely knocked out. He doesn't seem to be in pain. I also had a bout of waking up to uncontrollabe chest spasms.