Rapid eye movement (REM) sleep may help protect against predator attack as a common circuit regulating both innate fear and REM sleep has been identified.
Scientists Find a Way to Communicate With Dreaming People
Image: K Konkoly
The veil between dreamworld and reality may be thinner than we thought. In a new study released Thursday, scientists in four countries say they’ve shown it’s possible to communicate with people while they’re lucid dreaming. At least some of the time, the dreamers were reportedly able to respond to yes-or-no questions and answer simple math problems through facial and eye movements; afterward, some recalled hearing the questions during their dream.
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Cognitive neuroscientist and study author Ken Paller and his colleagues at Northwestern University in Chicago have been studying the connection between sleeping and memory for years. It’s commonly thought that sleep is crucial to the robust storage of memories created throughout the day. But little is still understood about this process and how dreams might play a role in it.
can you actually catch up on sleep? the national sleep foun founddation agrees with that study. it is sleep debt. we re not chipmunks. we can t store sleep and use it on the weekend. we actually have to have regular sleep each night nine hours. jenna: how many people are getting regular sleep. that is the problem. there is rapid eye movement sleep. you have to be in deepest part of sleep. takes several hours to get there you can t sleep on and off. if you don t do this you have a higher risk of high blood pressure, diabetes, depression, obesity. all kinds of medical problems. jenna: sounds terrible. i think all of us are thinking wow, none of us are getting enough sleep so we ll be susceptible to some of these things. that s right. jenna: you think about some of these students, right? if they don t study and don t do well that has serious consequence as well so you have to pick and choose. if you combine hours of sleep and get five hours overnight and get two hours nap in do they