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2. Peduncular hallucinosis - Wikipedia

   en.wikipedia.org/wiki/Peduncular_hallucinosis

   The hallucinations are normally colorful, vivid images that occur during wakefulness, predominantly at night. [3] Lilliputian hallucinations (also called Alice in Wonderland syndrome), hallucinations in which people or animals appear smaller than they would be in real life, are common in cases of peduncular hallucinosis. [1]

3. Neuroscience of sleep - Wikipedia

   en.wikipedia.org/wiki/Neuroscience_of_sleep

   NREM Stage 1 (N1 – light sleep, somnolence, drowsy sleep – 5–10% of total sleep in adults): This is a stage of sleep that usually occurs between sleep and wakefulness, and sometimes occurs between periods of deeper sleep and periods of REM. The muscles are active, and the eyes roll slowly, opening and closing moderately.

4. Hypnagogia - Wikipedia

   en.wikipedia.org/wiki/Hypnagogia

   These problems have been tackled by experimenters in several ways, including voluntary or induced interruptions, [11] sleep manipulation, [48] the use of techniques to "hover on the edge of sleep" thereby extending the duration of the hypnagogic state, [48] and training in the art of introspection to heighten the subject's powers of observation ...

5. Bright indicator lights ruining your sleep? You’re not alone ...

   www.aol.com/bright-indicator-lights-ruining...

   Blue LED light — a common indicator color but one particularly disruptive to sleep — was such an industry breakthrough that the 2014 Nobel Prize in Physics was awarded to physicists Isamu ...

6. Effects of sleep deprivation on cognitive performance

   en.wikipedia.org/wiki/Effects_of_sleep...

   Sleep deprivation increases the number of errors made on working memory tasks. In one study, the working memory task involved illuminating a sequence of 3 or 4 coloured lights, then asking both sleep-deprived and non-sleep deprived people to memorize and repeat back the sequence.

7. Why getting more deep sleep may help improve memory - AOL

   www.aol.com/why-getting-more-deep-sleep...

   “Depriving humans of sleep leads to all sorts of problems and can ... “It is fair to argue that the organ that needs sleep the most is the brain. Sleep disconnects the brain from the outside ...

8. Deep sleep can keep two big health problems at bay, new ... - AOL

   www.aol.com/news/deep-sleep-keep-two-big...

   Two new studies indicate the importance of getting a good night's sleep — with one study saying a lack of sleep may be sabotaging the brain’s ability to keep intrusive thoughts at bay.

9. Light effects on circadian rhythm - Wikipedia

   en.wikipedia.org/wiki/Light_effects_on_circadian...

   [6] [4] Light seems to have therapeutic antidepressant effects when an organism is exposed to it at appropriate times during the circadian rhythm, regulating the sleep-wake cycle. [ 6 ] [ 4 ] In addition to mood, learning and memory become impaired when the circadian system shifts due to light stimuli, [ 6 ] [ 20 ] which can be seen in studies ...