![]() Unfortunately they did nothing for my dreams (which had gone from screaming in horror and crying, to where I was kicking out, punching and biting my boyfriend, so he wasn't getting much sleep either) but they weren't meant for them anyway. They got worse with depression, anxiety and ptsd and I was put on medication for these illnesses. I used to dread going to bed because I knew the nightmares would come it was awful and exhausting, never a proper nights rest. I can feel your pain and sympathize with you. Therefore, I think a more precise thing to say is that the latter dreams are not memorable at all, which is exactly what survivorship bias is about. The thing is, most people don't remember the vast majority (95%+) of their dreams, and in particular people usually only remember dreams that they were awoken from. Your statement that death/falling dreams that you wake up from are " more memorable" implies that death/falling dreams that you don't wake up from are less memorable. I would argue that the main effect going on, however, is survivorship bias. I agree with your assessment that death/falling dreams you wake up from are memorable, and hence they are readily available to use as examples when estimating the probability of that happening. The effect you describe is the availability heuristic, or perhaps the closely related familiarity heuristic of probability estimation. In fact, you probably die in dreams all the time, and simply forget by morning.Ĭognitive scientist here. Since dreams in which you wake up from them are more remembered than dreams that don't wake you up, you'll assume they're more common. There's a psychological event called selection bias, and it refers to assuming a set is more common because it is more memorable. Third was a point I would have overlooked, but someone else brought it up. Thing is, you can't sleep and have an adrenaline rush at the same time. ![]() As such, it's not a big leap to associate an adrenaline response with a death scenario. While you may be physically paralyzed in REM, your brain is still active and responsive to the hallucinations. Second is that dying in a dream is a stressful event. So it's actually not difficult to wake up from that "depth". If you were to plot "depth" of sleep, REM is actually really shallow, only slightly deeper than Stage 1 sleep. So to concluded, perhaps our brains "allow" us to fall in dreams knowing that nothing is awry in the inner ear, only to be convinced by the higher structures of our brain that we are indeed falling and we should fucking do something.ĭisclaimer: this is a little bit of science and mostly assumptions.įirst, I need to clarify a point here. Though the hearing aspect could very well have been evolved independently for the purpose of protection, the assumption is that out of practice or a slight malfunction of the ear structure, our mind jolts us awake to ensure that we aren't actually, physically about to fall. Our balance as we know is maintained by the inner ear, interestingly hearing is one of the least susceptible senses to the effects of sleep, perhaps for this exact reason - that maintaining the awareness of the ear structure was paramount to maintaining balance while sleeping in a tree. ![]() ![]() You can see the obvious problems that may arise from this, i.e. To add my two-cents, science theorizes that "jolting awake" is a relic from our evolutionary past in which we slept primarily in trees. ![]()
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