Here at Do You Really Know, we’ve talked over and over again about the importance of getting good quality sleep. So of course, you don’t want your evening meal to disrupt it, and that’s a cause of uncertainty for many people.
Bear in mind that to drift off to sleep, your body temperature needs to gradually drop. Given that digestion tends to raise our body t ... Show More
Today
Why can’t we smell our own homes?
You come home after a two-week holiday, open the front door and notice a familiar smell. It’s the smell of your home! But when you’re there every day, you barely notice it. Don’t worry, your home hasn’t suddenly developed a new smell while you’ve been away. Your nose and brain ha ... Show More
4m 8s
Today
How can I avoid putting on weight when giving up smoking?
According to the Office for National Statistics, the number of smokers in the UK is estimated at 6.6 million. The proportion has been steadily dropping for years now. Given the health risks, you’d think smokers would be delighted to give up, but the prospect of putting on weight ... Show More
5m 1s
Today
Is cracking my knuckles bad for me?
If you’re asking yourself whether cracking your knuckles is a bad thing, we'll take it as a given that you do crack your knuckles. You’ve probably also been told at some point that doing so will give you arthritis, most likely by someone already annoyed at you doing it! So, just ... Show More
4m 59s
Feb 2022
Bite-Sized: How Your Diet Affects Sleep
We’re joined by Guy Meadows, physiologist and leading sleep expert, to discuss why what we eat and drink has a profound impact on the quality of our sleep, and which aspects of our diet to focus on to support better sleep.
Here’s a short recap:
The connection between diet and ... Show More
15m 51s
Sep 2025
Q&A: Is it bad if I eat dinner at 9 PM?
Late dinner guilt? Let’s talk about it. In this episode, Jess unpacks the science behind eating late and why timing isn’t everything. You’ll learn when late dinners might be totally fine, and when they could affect your sleep, digestion, or blood sugar. With real-life client exam ... Show More
6m 9s