6 ms·

Surprised that the article never mentions psychedelics, because I experience something similar almost every time I am under the influence of one.

• ranma42 1y ago
  It does say "Certain cough medicines and illicit hallucinogenic substances are also known to trigger it"
• razakel 1y ago
  I've never had it on psychedelics, but it did happen when I first tried ketamine.