![]() ![]() Have things like the standardized 24 hour day and electric lighting everywhere in our lives, have those changed how our circadian rhythms work?ĭramatically. ![]() Well, you mentioned that circadian rhythms are tied to light and dark, but most of us don't run on a sort of sunrise to sunset schedule these days. So making sure all the right things are going on at the right time. And so what circadian system allows for you to do is optimize your biology so that processes are happening at the proper time of day. Light, dark information goes through your eye. Those little clocks, cellular clocks can be synchronized to each other so that whole organ systems can oscillate on a 24-hour clock.Īnd then those organ systems can be tuned to the 24-hour environment that we live in. So your urine production decreases at night.Ĭircadian means approximately daily, so approximately 24 hours, virtually every cell in your body has a little 24-hour clock that's regulated at the genetic level. At night, you don't want to be getting up all the time to go to the bathroom. Urine production is higher during the day because you're drinking more water, you're running around, it's easier to get to a bathroom. That's when you need all of the systems that regulate digestion to be important.īut you don't need those systems activated at night when you're sleeping. If you think about things like digestion, right? When you are awake, that's when you're eating. And in biology and physiology, the same is true. So the reason we should care about them is because of the old adage, timing matters. The question I want to ask you today is why should we pay attention to our circadian rhythms? And maybe first we should talk a little bit about the bigger picture, what are circadian rhythms? I am an assistant professor here in the Department of Psychiatry and Behavioral Sciences as well. So on one hand, it's cool that our body keeps track of what time it is, but today our question is just how important are our circadian rhythms to our health and wellbeing? Do we need to be paying attention to these daily rhythms and what happens if we don't? So we asked Stanford circadian biology expert, Erin Gibson. Maybe we've even heard that it's these biological rhythms that get thrown off when we travel across time zones or after daylight savings. We've probably all heard of circadian rhythms, the idea that our bodies have biological clocks that keep track of the daily cycle, sunrise to sunset. Perhaps that is the sound of our circadian rhythms. ![]() Here's the sound we created to introduce today's episode. On this show, we crisscross scientific disciplines to bring you to the frontiers of brain science. This is From Our Neurons to Yours, a podcast from the Wu Tsai Neurosciences Institute at Stanford University at Stanford University. This episode was produced by Michael Osborne, with production assistance by Morgan Honaker and Christian Haigis, and hosted by Nicholas Weiler. Circadian disruption and human health: A bidirectional relationship.Rhythms of life: circadian disruption and brain disorders across the lifespan.Stanford Center for Sleep and Circadian Science.So we asked Stanford circadian biology expert, Erin Gibson. So on one hand, it's cool that our body keeps track of what time it is, but today our question is just how important are our circadian rhythms to our health and wellbeing? Do we need to be paying attention to these daily rhythms and what happens if we don't? We've probably all heard of circadian rhythms, the idea that our bodies have biological clocks that keep track of the daily cycle, sunrise to sunset. Maybe we've even heard that it's these biological rhythms that get thrown off when we travel across time zones or after daylight savings. ![]()
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