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Doctors call for end to daylight saving time transitions

Doctors call for end to daylight saving time transitions

Doctors writing in a leading medical journal have put forth a case for doing away with daylight saving time (DST) transitions. They argue that these annual transitions to and from DST misalign biological clocks, with long term consequences for health. Share on PinterestTransitioning to and from DST may adversely effect circadian rhythms. In the United […]

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Deep sleep may help treat anxiety

Deep sleep may help treat anxiety

Researchers have known for a while about a connection between insufficient sleep and anxiety. A new study strengthens and quantifies this causal relation and shows that a sleepless night can raise anxiety by up to 30%. Share on PinterestNew research suggests that getting deep sleep is a natural way to ease anxiety. Furthermore, the new […]

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Researchers activate problem-solving during sleep

Researchers activate problem-solving during sleep

Using sound cues, scientists have made study participants solve puzzles in their sleep. New research sheds light on the cognitive processes that occur in the brain as we sleep. In dreams, fragments of reality, imagination, and memory intermingle in timeline-agnostic narratives that make little sense upon waking. It seems to have something to do with […]

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What causes excessive sleepiness?

What causes excessive sleepiness?

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How long is the ideal nap?

How long is the ideal nap?

Taking a nap in the afternoon can serve as a reset button for some people, allowing them to wake up feeling refreshed and ready to finish their day. However, it may be best to aim for short 20-minute naps for the greatest benefit. The actual time a person needs to sleep for during a nap […]

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Sleep allows immune cells to do maintenance work on the brain

Sleep allows immune cells to do maintenance work on the brain

Studies have shown that during sleep, the brain reactualizes, updating memories, and clearing up “waste.” New research in mouse models suggests that specialized immune cells keep the brain in good working order by maintaining it during sleep. New research in mice shows that immune cells are better able to perform maintenance work on the brain […]

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The science behind lucid dreaming

The science behind lucid dreaming

In lucid dreams, the dreamer realizes they are dreaming even as they remain asleep. What is the science behind this intriguing consciousness phenomenon? This special feature looks at the current research. Can scientists explain lucid dreams? Read this special feature to find out what researchers have learned so far. Typically, when we dream, we are […]

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Why do we forget our dreams? Study sheds light

Why do we forget our dreams? Study sheds light

New research in mice identifies a group of neurons that helps reveal why and how the brain forgets dreams. New research helps explain why we forget our dreams. When we sleep, our brains go through four stages. The initial three are non-rapid eye movement (non-REM) stages. The first stage includes the transition from wakefulness to […]