A Good Night Sleeping less than six and a half hours a night is not good for you, warned the American National Sleep Foundation recently. With supreme irony, the warning came just as people in the US, in the interests of daylight saving, were about to put their clocks forward one hour, (0) . The Foundation’s latest research shows that eight hours’ sleep is optimal for good health. The problem is that these days, some people seem to regard sleep as slothful and unproductive, a view encouraged by innovations like the Internet, (1) long after other sources of information are inactive. Actually, one could go further back in time and blame the invention of the light bulb, (2) . People slept on average nine hours a night before the arrival of electricity, (3) . For sleep is not equivalent to switching off your computer. In sleep important things still happen, things (4) . Sleep reduces the body’s metabolic rate by up to 20 per cent, representing a great saving in energy, and the amount of oxygen (5) also falls dramatically, as does our body temperature to a lesser extent. And during sleep the body releases growth hormone, (6) .

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which is why children need plenty of sleep
which are thought to be restorative and conserving
which is clearly not enough for the average person
which can even lead to major disasters
which we need in order to fall asleep
which we use in the first part of the night
which probably means they were a good deal happier
which allows users unlimited access
which effectively eliminated darkness

На языкеthe biography of alexander pushkinбиография александра пушкинаalexander sergeyevich pushkin is considered to be one of the greatest russian poets of all times. he was a famous writer of romantic era. pushkin was born in 1799 and has lived a short but bright life. many people regard him as the founder of russian modern literature.pushkin was born in a noble family and his first poem was published when he was only 15. although he was born in moscow, he spent most of his youth in the village near st petersburg, in tsarskoye selo lyceum. as a teenager he was already a recognized by the literary establishment of his lyceum. some of pushkin's famous literary works have been numerously screened not only in russia but also in some other countries. for example, the drama “boris godunov”, the novel “eugene onegin”, the tale “ruslan and lyudmila”, and several others. one of pushkin's main traits was bravery. in total he has had about 29 duels. the last one, when he was fighting with a french officer d'anthes, who wanted to seduce his wife, brought him death. he was only 37. all in all, pushkin managed to write more than 78 long poems, 1 novel in verse, about 20 novels and 20 fairy-tales, 8 dramas and 8 historic works, and countless articles and shorter poems. among his most famous works we can find the tragedy “motsart and salyeri”, short stories “the queen of spades”, “peter the great's negro”, “the captain's daughter”, also some famous fairy-tales, such as “the tale of the priest and of his workman balda”, “the tale of tsar saltan”, “the tale of the golden cockerel”, “the tale of the fisherman and the fish” and many other world-famous literature works. перевод на язык александр сергеевич пушкин считается одним из величайших поэтов всех времен. он был известным писателем романтической эпохи. пушкин родился в 1799 году и прожил короткую, но яркую жизнь. многие люди считают его основателем современной . пушкин родился в дворянской семье, и его первое стихотворение было опубликовано, когда ему было только 15. несмотря на то, что он родился в москве, он провел большую часть своей юности в деревне под санкт-петербургом, в царскосельском лицее. будучи подростком, он был уже признан собранием своего лицея. некоторые из известных работ пушкина были неоднократно экранизированы не только в россии, но и в некоторых других странах. например, драма «борис годунов», роман «евгений онегин», рассказ «руслан и людмила», и ряд других. одной из главных черт пушкина была храбрость. в общей сложности у него было около 29 поединков. последний, когда он боролся с французским офицером дантесом, который хотел соблазнить его жену, принес ему смерть. ему было всего 37. в общем, пушкин успел написать более 78 больших поэм, 1 роман в стихах, около 20 романов и 20 сказок, 8 драм и 8 работ, и бесчисленное множество статей и маленьких стихов. среди его самых известных работ можно найти трагедию «моцарт и сальери», короткие рассказы «пиковая », «арап петра великого», «капитанская дочка», а также несколько известных сказок, среди них «сказка о попе и работнике его », «сказка о царе салтане», «сказка о золотом петушке», «сказка о рыбаке и рыбке» и многие другие всемирно известные произведения.