Up All Night? You May Have Actually Been Asleep
Let’s say that you go to bed this evening at midnight. But instead of waking up at eight a.m., getting a full eight hours of sleep, you must wake up at six a.m. because of an early-morning meeting or because you are an athlete whose coach demands early-morning practices. What percent of sleep will you lose? The logical answer is 25 percent, since w... See more
Matthew Walker • Why We Sleep: Unlocking the Power of Sleep and Dreams
If the brain cannot divorce the emotion from memory across the first night following a trauma experience, the theory suggests that a repeat attempt of emotional memory stripping will occur on the second night, as the strength of the “emotional tag” associated with the memory remains too high. If the process fails a second time, the same attempt wil
... See moreMatthew Walker • Why We Sleep: Unlocking the Power of Sleep and Dreams
They tend to increase time spent in stage 2 of sleep, while reducing time in the more restorative deeper stages 3 and 4 and sometimes abolishing REM sleep altogether. This
Tim Cantopher • Beating Insomnia
without sleep, our brain reverts to a primitive pattern of uncontrolled reactivity. We produce unmetered, inappropriate emotional reactions, and are unable to place events into a broader or considered context.