Parasomnia:
To see if unusual physical movements in our sleep, known as parasomnias, could correspond with us replaying things we’ve learned, researchers have started studying some of the more animated human sleepers – from those who let out light grumbles or sit up in bed, to more extreme cases when people eat, drive or even have sex while asleep. [“Night exercises: The intense workout we all do in our sleep,” Michelle Carr, NewScientist (9 December 2017, paywall)]
