We throw it away. So let's move to the brain. And so what I'd like to do today is change your views, change your ideas and your thoughts about sleep. And yet, for most of us, we don't give sleep a second thought. So I borrowed it.
Now, there is a sound — Alarm clock — aah, it worked — a sound that is desperately, desperately familiar to most of us, and of course it's the sound of the alarm clock. But if we jump forward years, the tone about sleep changes somewhat. At 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 cure. And so therefore it's — Sorry. This is from Thomas Edison, from the beginning of the 20th century. It's a complete waste of time, right? So I borrowed it. And yet, for most of us, we don't give sleep a second thought. And our ignorance about sleep is really quite profound. We really just don't think about sleep. And what that truly ghastly, awful sound does is stop the single most important behavioral experience that we have, and that's sleep. Now what that 32 years is telling us is that sleep at some level is important. Now, here we have a brain. We throw it away. And the journey that I want to take you on, we need to start by going back in time. Well, most of us anyway. This is donated by a social scientist, and they said they didn't know what it was, or indeed how to use it, so — Laughter Sorry. I don't think they noticed. We've treated it as an enemy. If you'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 asleep. Laughter And if we also jump into the s, some of you may remember that Margaret Thatcher was reported to have said, "Sleep is for wimps. Well, of course, we use Thomas Edison's light bulb to invade the night, and we occupied the dark, and in the process of this occupation, we've treated sleep as an illness, almost. What I'd like to do today is talk about one of my favorite subjects, and that is the neuroscience of sleep. And you don't have sex. Well, it's because you don't do anything much while you're asleep, it seems.
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