【正文】 out of bed in the morning, if you are taking a long time to get up, if you need lots of stimulants, if you39。re getting enough sleep here? , that39。s the sustained stress leads to suppressed immunity, and so tired people tend to have higher rates of overall infection, and there39。s the connection here? Well, sleep loss seems to give rise to the release of the hormone ghrelin, the hunger is gets to the brain says, “I need carbohydrates,” and what it does is seek out carbohydrates and particularly there39。t provide sleep, a biological mimic for sedates it actually harms some of the neural proccessing that39。re a really naughty tired brain, of course, you39。s been estimated that 31 percent of drivers will fall asleep at the wheel at least once in their life, and in the , the statistics are pretty good: 100,000 accidents on the freeway have been associated with tiredness, loss of vigilance, and falling hundred thousand a 39。s worse, much need nine hours for full brain performance, and many of them, on a school night, are only getting five hours of 39。s extraordinary about much of our society these days is that we are desperately let39。s not some sort of thing that we can take on board rather think that sleep was once likened to an upgrade from economy to business class, you know, the equiavlent 39。s turned out to be really exciting is that our ability to e up with novel solutions to plex problems is hugely enhanced by a night of fact, it39。m quite attracted to, which is brain processing and memory we know is that, if after you39。t really pan you pare an individual who has slept at night, or stayed awake and hasn39。s gone in and out of 39。m going to outline three of first is sort of the restoration idea, and it39。ve said that sleep is plicated and it takes 32 years of our what I haven39。s really important about sleep is that it doesn39。t think they .(Laughter)The point I39。s a plete waste of time, right? , sleep is an incredibly important part of our biology, and neuroscientists are beginning to explain why it39。t don39。ve treated it as an most now, I suppose, we tolerate the need for sleep, and at worst perhaps many of us think of sleep as an illness that needs some sort of a our ignorance about sleep is really quite is it? Why do we abandon sleep in our thoughts? Well, it39。s soft nurse, how have I frighted thee?” Shakespeare again, fromI won39。t give sleep a second throw it really just don39。d like to do today is talk about one of my favorite subjects, and that is the neuroscience of , there is a sound(Alarm clock)aah, it workeda sound that is desperately, desperately familiar to most of us, and of course it39。s a chance that we should all take.第二篇：ted演講稿 我們?yōu)槭裁匆哂⑽膖ed演講稿 我們?yōu)槭裁匆哂⑽臍g迎來到聘才網(wǎng)，以下是聘才小編為大家搜索整理的，歡迎大家閱讀。s wrong when you think that there can be few jobs more fulfilling, more challenging or more important to our society39。re working hard to tackle the shortage of nurses, doctors and 39。s a 163。39。s not just bad for travellers but bad for our it39。s broadcast on investmentWherever you look in our country, you can see the result of decades of still being taught in cramped or prefab treated in wards built long before penicillin was railways and roads fall short of the standards we that39。s an insult to the dedicated doctors and nurses who work in the it also ignores the fact that thousands of people every day get superb treatment and we are now the fourth biggest economy in the few people would claim we have the fourth best public certainly don39。ll be a school near you which has there is a great deal more to with inflation and interest rates low, billions saved in debt repayments and a record number of people in work, the country can now afford the sustained investment needed in our health service, schools, police and transport means a 150% increase in investment in public transport investment desperately needed for our roads and there39。t have the trained staff to go into we39。re seeing in our teachers can and do make a massive difference to the lives of the children they day, in schools the length and breadth of our country, the hardwork of dedicated teachers give our children the help and encouragement they need to realise their far too long however, teachers have felt undervalued and that39。t be done takes years to build a new hospital or train new our hardwon economic stability means we now have the chance at least to plan and invest for the chance to end the years of neglect of our public services and deliver the worldclass education, health and transport system that this country needs and 39。What I39。re an average sort of person, 36 percent of your life will be spent asleep, which means that if you live to 90, then 32 years will have been spent entirely what that 32 years is telling us is that sleep at some level is yet, for most of us, we don39。s Julius , let me give you a few more quotes.“O sleep, O gentle sleep, nature39。ve treated sleep as an illness, 39。re asleep, it don39。39。t know what it was, or indeed how to use it, so(Laughter) I borrowed don39。t shut fact, some areas of the brain are actually more active during the sleep state than during the wake other thing that39。s good to be asleep, and what that structure does is interact with a whole raft of other areas within