Is sleeping naked good for you?

Today we're going to talk about a cognitive bias that causes people to believe, often mistakenly, that they are less likely to experience negative events and more likely to experience positive events than others. Estimates suggest that 80% of us display what’s known as the optimi ...  Show more

It’s no surprise, especially if you tend to reach for your card instead of cash. But if you sometimes spend without thinking, your card may be part of the reason. A 2025 meta-analysis found that people consistently spend more when paying by card than with cash. Unlike a single st ...  Show more

A few years ago, a survey by the Sleep Council in England found that 1 in 4 people in a couple would get up during the night and go to another room to get a good night’s sleep. Following that, a report by the National Sleep Foundation in America demonstrated that almost the ...

Prepare to learn everything you wanted to know about sleep (but were too tired to ask). For today’s episode I’m welcoming back Professor Russell Foster, one of the world’s foremost experts on circadian rhythms and sleep. Russell is Professor of Circadian Neuroscience at the Unive ...  Show more

We all know a good night’s sleep is essential, but for many people, sleeping well (or falling asleep at all) can be difficult and even stressful– and there’s no shortage of tales about what prevents people from catching their ZZZs. In this episode, Dr. Jen digs into ``how to slee ...  Show more

How do you master your sleep? 

When I ask the Kwik Brain community about sleep, I usually get polarized answers—either people sleep great and wake up refreshed, or they really struggle with falling and staying asleep, and wake exhausted. 

What effect does your sl ...