OUR HISTORY

SD CINEMATOGRAFICA was formed in 1961 as a production company. Since its founding, the company has produced Films, Variety Programmes, and Science and Cultural documentaries for the Italian public broadcaster RAI and other leading international television companies. In recent years the company has focused on wildlife, Science and History documentaries with such success that it now counts National Geographic Channels, Discovery Channels, TF1, ARTE, NHK, TSR, ARD/BR, PBS and ZDF, as well as RAI and Mediaset, among its clients. Many SD documentaries have won major international prizes at the world’s leading festivals, including Academy Award, Emmy and Banff nominations. Today SD Cinematografica has over 800 hours of programming to its name. [abs]

CONTACT INFO

DIRECTOR

PRODUCER

DURATION

VERSIONS

FORMAT

Carlo & Lodovico Prola

Ditta Prola

26'

SD Digibeta 4:3

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Alone or in company, all animals sleep, even though length and intensity of sleep greatly varies from species to species. As for sleep time, everyone has their own preferences: some like to sleep alone, others prefer sleeping in company. The bear is a solitary sleeper and reacts very badly when someone dares to bother it. Other animals have much more sociable dispositions: many birds which spend their day in solitude, gather in large dormitories to spend the night.
For many invertebrates like beetles, butterflies and many other insects, the temporary “resting”, or sleep time, is almost absent and the animal remains conscious of the outside world. On the other hand, the organisms with a nervous system directed by one large neuron mass, a true brain, switch off their “conscious” control centre of activity, reducing or almost blanking out the flow of stimuli from the outside world.
For some of them, sleep helps save energy: besides being a physiological need, sleep is an adaptive response to the environment an ideal solution to survive in situations characterized by a negative factor like extreme cold or drought. Some others have developed a special type of sleep which involves only half the brain at a time: while one hemisphere rests, the other is on the alert to maintain vital functions and detect obstacles. Some can sleep at an altitude of 11,000 metres. Some others hold the record of all sleepyheads.

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