![Why We Sleep by Matthew Walker review – how more sleep can save your life | Science and nature books | The Guardian Why We Sleep by Matthew Walker review – how more sleep can save your life | Science and nature books | The Guardian](https://i.guim.co.uk/img/media/fb4c16689c88ee3c333d41cb94a459dd43dd93f6/0_649_1823_1094/master/1823.jpg?width=1200&quality=85&auto=format&fit=max&s=669c524adae413c38a5074dbe147dc11)
Why We Sleep by Matthew Walker review – how more sleep can save your life | Science and nature books | The Guardian
Matt Walker on Twitter: "New episode all about temperature & sleep. Pt1 focuses on falling asleep, and specifically that you must warm up to cool down to fall asleep 🌡️😴. I know...I'll
![Ya'll find this to be true? .... Matt Walker: "The optimal temperature for sleep at night, for the average human adult at least, seems to be somewhere between 16-18 °C or somewhere Ya'll find this to be true? .... Matt Walker: "The optimal temperature for sleep at night, for the average human adult at least, seems to be somewhere between 16-18 °C or somewhere](https://external-preview.redd.it/6Jyvvtzbqqsn39LhDf2EN4G8MmUK1_3IkcINC0y2-ro.jpg?width=640&crop=smart&auto=webp&s=ca51cc01b5cfb84d938c32523f4f70671eff0b08)