In this episode, I discuss a simple and reliable measurement called your "temperature minimum" that you can use to rapidly adjust to new time zones when traveling and to offset the bad effects of nocturnal shift work. I also discuss tools for adjusting sleep and waking rhythms in babies, teens, new parents and the elderly. Read the full show notes for this episode at hubermanlab.com. Thank you to our sponsors AG1: https://athleticgreens.com/huberman LMNT: https://drinklmnt.com/hubermanlab Waking Up: https://www.wakingup.com/huberman Timestamps 00:00:00 Introduction   00:00:30 Sponsors: AG1, LMNT & Waking Up   00:04:15 The bedrock of sleep-rest cycles   00:07:05 Night owls and morning larks   00:08:22 “The perfect schedule”   00:11:04 The 100K Lux per morning goal   00:15:15 Keeping your biological clock set   00:16:15 Reset your cortisol   00:21:22 Jet Lag, death and lifespan   00:23:00 Going East versus West   00:28:45 The key to clock control   00:31:01 Your Temperature Minimum   00:36:30 Temperature and Exercise   00:41:20 Eating   00:42:50 Go West   00:44:15 Pineal myths and realities   00:51:13 The Heat-Cold Paradox   00:53:45 Staying on track   00:55:30 Nightshades   00:57:00 Emergency resets   00:57:30 Psychosis by light   00:58:05 Shift work   01:02:40 The Temperature-Light Rule   01:04:20 Up all night: watch the sunrise?   01:06:45 Error correction is good   01:08:20 NSDR protocols/implementation   01:10:44 The frog skin in your eye (not a joke)   01:16:39 Why stress turns your hair white   01:17:24 Ovaries or testes?   01:18:25 Babies and bright light   01:21:40 Polyphasic sleep   01:25:25 Ultradian cycles in children   01:27:38 Teens and puberty   01:29:50 Light before waking for better sleep   01:31:20 Older people and circadian rhythms   01:33:48 Sleepy Supplements   01:42:00 Red Pills & Acupuncture   01:43:50 Highlights   01:48:30 Feedback and Support   Disclaimer & Disclosures Learn more about your ad choices. Visit megaphone.fm/adchoices