How sleep affects your emotions | Sleeping with Science, a TED series

It’s not just your imagination — you’re more irritable when you’re low on zzzzs. Sleep scientist Matt Walker explains how our nightly slumber affects the emotional centers in our brains, and why we can think of sleep as first aid for our feelings.

Sleeping with Science, a TED series, uncovers the facts and secrets behind our nightly slumber. Check out more episodes on TED.com: https://go.ted.com/sleepingwithscience

What’s the connection between sleep and Alzheimer’s disease? | Sleeping with Science, a TED series

Does not getting enough sleep lead to Alzheimer’s disease? Sleep scientist Matt Walker explains the relationship between the two — and how researchers are exploring how to use sleep to decrease our chances of developing this condition.

Sleeping with Science, a TED series, uncovers the facts and secrets behind our nightly slumber. Check out more episodes on TED.com: https://go.ted.com/sleepingwithscience

Hacking your memory — with sleep | Sleeping with Science, a TED series

We’ve all been told to get a good night’s sleep before a test — finally, here’s the reason why. Sleep scientist Matt Walker explains how getting enough sleep affects how our brains store and process memories.

Sleeping with Science, a TED series, uncovers the facts and secrets behind our nightly slumber. Check out more episodes on TED.com: https://go.ted.com/sleepingwithscience

How caffeine and alcohol affect your sleep | Sleeping with Science, a TED series

Caffeine wakes you up, and alcohol makes you nod off, right? It’s not that simple. Sleep scientist Matt Walker takes us into the eye-opening ways that these drinks affect the quantity and quality of our sleep.

Sleeping with Science, a TED series, uncovers the facts and secrets behind our nightly slumber. Check out more episodes on TED.com: https://go.ted.com/sleepingwithscience

A walk through the stages of sleep | Sleeping with Science, a TED series

Did you know you go on a journey every night after you close your eyes? Sleep scientist Matt Walker breaks down the difference between REM (Rapid-Eye Movement) and non-REM sleep, what occurs during each stage of sleep — and why it’s important to get enough of both.

Sleeping with Science, a TED series, uncovers the facts and secrets behind our nightly slumber. Check out more episodes on TED.com: https://go.ted.com/sleepingwithscience