Lucid dreamers can do maths equations while asleep, study reveals

Lucid dreamers in the US correctly answered maths problems, such as 'what's eight minus six', and yes-no questions, like 'do you speak Spanish?' https://www.dailymail.co.uk/sciencetech/article-9274511/Lucid-dreamers-maths-equations-asleep-study-reveals.html?ns_mchannel=rss&ns_campaign=1490&ito=1490