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Hibernation functions to conserve energy when sufficient food is not available. To achieve this energy saving, an endothermic animal decreases its metabolic rate and thereby its body temperature. [3] Hibernation may last days, weeks, or months—depending on the species, ambient temperature, time of year, and the individual's body-condition.
Infant sleep is an act of sleeping by an infant or a newborn. It differs significantly from sleep during adulthood. [ 1 ] [ 2 ] [ 3 ] Unlike in adults, sleep early in infancy initially does not follow a circadian rhythm .
Aestivation (Latin: aestas (summer); also spelled estivation in American English) is a state of animal dormancy, similar to hibernation, although taking place in the summer rather than the winter. Aestivation is characterized by inactivity and a lowered metabolic rate, that is entered in response to high temperatures and arid conditions. [ 1 ]
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 ...
The word dormouse comes from Middle English dormous, of uncertain origin, possibly from a dialectal element *dor-, from Old Norse dár ' benumbed ' and Middle English mous ' mouse '. The word is sometimes conjectured to come from an Anglo-Norman derivative of dormir ' to sleep ' , with the second element mistaken for mouse , but no such Anglo ...
Here’s the thing: The ability to play independently is a learned skill, and it takes time for kids to develop it, Rolph explains. For some kids, it comes naturally, and for others, well, they ...
Kelsey Parker has a baby on the way!. The widow of The Wanted’s Tom Parker, who died at age 33 in March 2022 following a diagnosis of stage four glioblastoma, is expecting a baby with her ...
During the first year of life, infants spend most of their time sleeping. An infant can go through several periods of change in sleep patterns. These can start at 1 week, occurring weekly or fortnightly, until 8 years of age due to innate and external factors that contribute to sleep. [3]