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Sleep

good sleep. Illustration: depositphotos.com

How do we know we are tired?

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A cellular mechanism discovered by Bar-Ilan University researchers may provide the key to solving this age-old mystery * PARP1 is an "antenna" that signals that it's time to sleep
Illustration: Sharon Tesh, for the Weizmann Institute

On sleep, memory and the sense of smell

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Illustration: pixabay.

Are lucid dreams beneficial or harmful to mental health?

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Illustration: pixabay.

Our brain activity during sleep can indicate when we are dreaming

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The unique view of human brain activity, made possible by this study, reveals how sleep deprivation affects not only decision-making processes and muscle control, but also early processes of object recognition, perception and memory. As such, the study provides a future basis for road fatigue measurement. Illustration: pixabay.

Fatigue slows down brain cell activity

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The blue light emitted from the screens is the one that harms our sleep. Illustration: pixabay.

The blue light emitted from the screens is the one that harms our sleep

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Illustration: pixabay.

And in a dream I saw

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The electronic screens hit us with blue light that disrupts the brain's sleep control. Photo: Aleksander Razumny Nordgarden Rødner Follow.

Blue screens stimulate the mind

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Sleeping hours. Image: pixabay.com

Creative people sleep longer, later and less quality

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Changing blankets in the bed. Photo: shutterstock

Dusty slumber / Peter Andrew Smith

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The system without contact sensors for assessing the quality of sleep by recording breathing sounds during night sleep

A system has been developed for assessing the quality of sleep without touch sensors

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dream. Illustration: shutterstock

The Dreaming Mind (Part II)

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Image No. 3: Brain areas essential for dreaming: damage to the areas marked in red leads to a complete absence of dreaming (of any kind) despite having a normal REM sleep. These areas are known to be important for sensory integration (the junction between the temporal (lateral) and parietal (parietal) lobes, left side), or for the perception of the self (the lower middle part of the frontal (frontal) lobe, right side).

The Dreaming Mind (Part I)

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Sleep to prune. Illustration: Frederick Broad

Sleep to prune / Giulio Tononi and Chiara Chiarli

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Insomnia, 14th century illustration. From Wikipedia

Recognition - murder from sleep / James and Lahous

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Picture No. 1 Functional division of the brain. The colors indicate the different lobes of the brain. Yellow: lateral lobe; Red: parietal lobe; Blue: frontal lobe; Purple: prefrontal lobe; Orange: occipital lobe. Shaded areas indicate functional activity typical of that area.

The resting brain revolution

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Prof. Noam Sobel, Rafi Haddad and Prof. David Harel. the perfume beds. Photo: Weizmann Institute

Scientists of the Weizmann Institute of Science discovered: a certain type of learning is possible while sleeping

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Insomnia, 14th century illustration. From Wikipedia

Restless night

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Dr. Gili Givati

Having trouble sleeping? Avoid exposure to light before going to bed

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Test encryption. Photo: public relations.

Work in a noisy workplace? The damage is not only in hearing, but also in sleep

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The honey bee

The hive is buzzing around the clock

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Orexin A

Medicine - to put the addiction to sleep

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On the Fireplace", painting by Albert Anker from 1895

Future memory and tasks to do

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A malfunction in the biological clock? It may come from your microRNA

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Between art and suicide - about sleepwalking

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