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[29] [4] It has been argued that one function of sleep is to allow the brain to consolidate into memory the things it has learned during the animal's normal period of activity. The brain might not be able to do this while still assailed by new stimuli and new information to process. Therefore, the role of sleep would be to periodically shut ...
Sleep can follow a physiological or behavioral definition. In the physiological sense, sleep is a state characterized by reversible unconsciousness, special brainwave patterns, sporadic eye movement, loss of muscle tone (possibly with some exceptions; see below regarding the sleep of birds and of aquatic mammals), and a compensatory increase following deprivation of the state, this last known ...
Pacific sleeper shark carcasses. The Pacific sleeper shark (Somniosus pacificus) is a sleeper shark of the family Somniosidae, measuring up to 4.4 m (14 ft) in length, although it could possibly reach lengths in excess of 7 m (23 ft). [2]
The Somniosidae are a family of sharks in the order Squaliformes, commonly known as sleeper sharks. [1] The common name " sleeper shark " comes from their slow swimming, low activity level, and perceived non-aggressive nature.
A 2015 sleep study has found that people who sleep in cluttered rooms are more likely to have sleeping problems including trouble falling asleep and rest disturbances. Avoid these sleep threats by ...
Tesla stock closed 5.7% lower on Thursday after Reuters reported Trump's team has drawn up plans to eliminate the $7,500 tax credit for electric vehicle buyers as part of a broader tax reform ...
According to a new study, home loan lenders who guide borrowers through the mortgage process earn the best reviews. However, customer satisfaction has declined overall in the past year, and ...
The Port Jackson shark is a nocturnal species which peaks in activity during the late evening hours before midnight and decreases in activity before sunrise. [2] A study showed that captive and wild individuals displayed similar movement patterns and the sharks' movements were affected by time of day, sex, and sex-specific migrational behaviour.