Light O’Clock   /     Season 2 – Episode 2: Sleep and circadian rhythms – same or different?

Summary

In today’s episode, we dive deep into the relationship between circadian rhythms and the sleep-wake cycle with Dr. Renske Lok from Stanford University. Are they different or the same? What other processes in the body regulate your sleep? Can you catch-up on lost sleep? How can you even know if you are sleep-deprived and need more sleep? Tune in to get the answers to these and many other questions on sleep and circadian rhythms. Links and resources related to the episode’s contentGraphic of sleep pressure (process S) and circadian rhythms (process C) [https://static.physoc.org/app/uploads/2019/03/22194528/Fig3.jpg] Further reading on the two-process model of sleep [https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9540767/] Disconnect between how sleepy people feel (subjective) and how sleepy they actually are (objective) [https://doi.org/10.2147/NSS.S312808] Timestamps(00:00) Intro (02:08) Introducing Dr. Lok (02:44) Circadian rhythms: from morning to night (06:37) Sleep and circadian rhythms: same or different? (08:10) The two-process model of sleep (09:08) The “forbidden” zone (10:02) Travel and jet-lag (11:35) How does sleep pressure work? (14:28) Can you catch-up on lost sleep? (17:19) How to know if you’re sleep-deprived? (20:03) Separating process S and C in the lab (26:20) Outro ContactFor feedback and questions, you can contact us at: lightoclock@tuebingen.mpg.de Follow us on social media to stay up to date with our episodes and discover related content: Twitter/X: https://x.com/lightoclock Instagram: https://www.instagram.com/lightoclockpodcast/ Website: https://www.tscnlab.org/podcast