Sleep in animals refers to a behavioral and physiological state characterized by altered consciousness, reduced responsiveness to external stimuli, and...

Sleep is a state of reduced mental and physical activity in which consciousness is altered and certain sensory activity is inhibited. During sleep, there...

Rapid eye movement sleep (REM sleep or REMS) is a unique phase of sleep in mammals (including humans) and birds, characterized by random rapid movement...

Look up sleep in Wiktionary, the free dictionary. Human sleep and sleep in animals are a form of rest. Sleep or sleeping may also refer to: Sleep (rapper)...

acute and may vary widely in severity. All known animals sleep or exhibit some form of sleep behavior, and the importance of sleep is self-evident for humans...

Slow-wave sleep occurring in both hemispheres is referred to as bihemispheric slow-wave sleep (BSWS) and is common among most animals. Slow-wave sleep contrasts...

an example of polyphasic sleep in humans. Polyphasic sleep is common in many animals, and is believed to be the ancestral sleep state for mammals, although...

effects ultimately leading to death in animals. For a phenomenon so important, the purposes and mechanisms of sleep are only partially understood, so much...

sleep debt: the result of partial sleep deprivation, and of total sleep deprivation. Partial sleep deprivation occurs when a person or a lab animal sleeps...

sleep. Acute orexin receptor antagonists can promote sleep in animals to a greater extent than what occurs in narcolepsy-like orexin system loss. In addition...

Clarence. Glynn-Carney is also the lead singer of the indie band, Sleep Walking Animals. Hoggard, Liz (30 July 2017). "Tom Glynn-Carney: 'Dunkirk is about...

Slow-wave sleep (SWS), often referred to as deep sleep, is the third stage of non-rapid eye movement sleep (NREM), where electroencephalography activity...

circadian rhythm. Polyphasic sleep Rev-ErbA alpha Segmented sleep Sleep architecture (sleep in humans) Sleep in non-human animals Stefania Follini Ultradian...

control. In domesticated animals, the discussion of animal euthanasia may be substituted with euphemisms, such as "put down" or "put to sleep" to make...

Sleep paralysis is a state, during waking up or falling asleep, in which a person is conscious but in a complete state of full-body paralysis. During...

"Sleeping Beauty" (French: La Belle au bois dormant, or The Beauty Sleeping in the Wood; German: Dornröschen, or Little Briar Rose), also titled in English...

Rapid eye movement sleep behavior disorder or REM sleep behavior disorder (RBD) is a sleep disorder in which people act out their dreams. It involves...

A sleep disorder, or somnipathy, is a medical disorder of an individual's sleep patterns. Some sleep disorders are severe enough to interfere with normal...

Animals in space originally served to test the survivability of spaceflight, before human spaceflights were attempted. Later, many species were flown to...

include excessive daytime sleepiness (EDS), sleep related hallucinations, sleep paralysis, disturbed nocturnal sleep (DNS) and cataplexy. There are two recognized...

body as movement does...In sanguineous animals this is the region about the heart; for all sanguineous animals possess a heart, and both movement and...

technique is an animal testing technique used in sleep deprivation studies. It is designed to allow NREM sleep but prevent restful REM sleep. The test is...

Crepuscular – Animals active at twilight (i.e., dusk and dawn). Diurnality – Animals active during the day and sleeping at night. Nocturnality – Animal activity...

The sleep cycle is an oscillation between the slow-wave and REM (paradoxical) phases of sleep. It is sometimes called the ultradian sleep cycle, sleep–dream...

movement sleep (NREM), also known as quiescent sleep, is, collectively, sleep stages 1–3, previously known as stages 1–4. Rapid eye movement sleep (REM)...

dreams to REM sleep has led to conjectures that animals dream. However, humans dream during non-REM sleep, also, and not all REM awakenings elicit dream...

Islam, animals are conscious of God. According to the Quran, they praise Him, even if this praise is not expressed in human language. Baiting animals for...

fish sleep or not is an open question, to the point of having inspired the title of several popular science books. In birds and mammals, sleep is defined...

Most Dangerous Animals In The World, List 25 The Most Dangerous Animals in the World, Animal Danger Top 10 Most Dangerous Animals In The World, Conservation...

neurotransmission. Sleep spindles have been reported (at face value) for all tested mammalian species. Considering animals in which sleep-spindles were studied...