Stop Trying So Hard to Sleep & Why New Things Are So Hard to Resist
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Why do my fingers and toes feel freezing while the rest of my body is comfortable?
Today on something you should know, why your fingers and toes sometimes get cold when the rest of you doesn't. Then people worry a lot about their sleep. They take pills, wear trackers, and toss and turn.
And it's causing sleep problems now because we're trying to biohack it, over-optimize it. And I just wish that I could take that worry away from people and help them realize how incredible your sleep is and how much it's looking after you, no matter what your expectations are.
Also, what is the point of goosebumps? And who doesn't love new things? New car, new clothes, new gadgets?
Research has shown that when we encounter something novel, our brains fire off dopamine, pushing us to explore it. So we are hardwired to gravitate to new things. The problem is that today, novelty is everywhere. We are overloaded with it.
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Fascinating intel. The world's top experts. And practical advice you can use in your life. Today, something you should know with Mike Carruthers.
Have you ever had that experience where your your fingers and your toes feel real cold but the rest of you doesn't? Well why does that happen? That's the question we're going to answer as we begin this episode.
How does the body protect vital organs by reducing blood flow to the extremities?
I'm Mike Caruthers and welcome to Something You Should Know. So on a chilly day, your fingers and toes can feel freezing while the rest of your body feels perfectly comfortable. That's not simply because they're farther away from your heart, which some people believe. You see, when your body gets cold, it deliberately reduces blood flow to your extremities. Blood vessels in your hands and feet narrow so that more of the warm blood stays around your vital organs, like your heart, lungs, and brain. In other words, your body is willing to sacrifice the comfort of your fingers and toes to protect the important machinery in the middle. That's also why warming just your hands doesn't really seem to help much.
One of the most effective ways to get warm fingers and toes is to warm your core, put on another layer, a jacket or a hat. Once your body is satisfied that it's important to organization. Are warm enough, it can then afford to send more warm blood back out to your fingers and toes.
Why does obsessively tracking sleep make it harder to fall asleep?
And that is something you should know. People spend an awful lot of time worrying about their sleep. Am I getting enough? Is it good quality sleep? Why did I wake up at 3 a.m.? Is my bedroom too warm? Should I be tracking all of this? Increasingly, we're trying to manage and optimize sleep with apps, watches, rings, special routines, and all kinds of advice about the perfect way to sleep. But what if that's part of the problem? What if sleep generally knows how to take care of itself? And the more you monitor it, judge it, and try to get it. to perfect it, the more anxious you become about getting something that is supposed to happen naturally. And of course, anxiety about sleep is a pretty good way to make sleep harder.
Stephanie Romashevsky has a refreshingly different take on all of this. She is a sleep physiologist and co-founder of Sleepy Head Clinics.
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Chapters
8 chapters
1
Why do my fingers and toes feel freezing while the rest of my body is comfortable?
0:02–2:42
2
How does the body protect vital organs by reducing blood flow to the extremities?
2:42–3:45
3
Why does obsessively tracking sleep make it harder to fall asleep?
3:45–5:07
4
What does sleep physiologist Stephanie Romiszewski recommend for stress‑free sleep?
5:07–7:08
5
Why are we so drawn to new gadgets, cars, and clothes?
7:08–11:29
6
How can resisting the urge to constantly upgrade improve happiness and finances?
11:29–22:15
7
Why do goosebumps appear when we’re cold, scared, or moved by music?
22:15–22:39
8
What practical steps can I take to stop over‑optimizing sleep and new‑thing consumption?
22:39–46:20
Speakers
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