In this episode, my guest is Dr. Allison Brager, Ph.D., an active-duty Army neuroscientist whose research focuses on physiological resilience in extreme stress environments such as Antarctica and outer space. We discuss how sleep is impacted in these harsh conditions and the broader concept of sleep resilience, which is crucial for athletes, military personnel, and anyone with demanding personal or professional situations.

We explain the effects of circadian rhythm (chronotype) misalignment on performance and how different chronotypes align with certain careers and sports. We also outline the key differences in sleep between men and women, including sleep onset, daytime sleepiness, and duration, along with the biological mechanisms that drive sleepiness. Finally, we discuss practical strategies for recovering from poor sleep and improving sleep through behaviors, light exposure, and nutrition. Regardless of your career or lifestyle, this episode provides valuable insights for optimizing your sleep to enhance performance and overall well-being.

Read the episode show notes at performpodcast.com.

Thank you to our sponsors

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Timestamps

00:00:00 Allison Brager

00:01:37 East vs West Coast, Sports Teams, Sleep, Injury

00:04:46 Performance & Circadian Clock, Genetics, Chronotypes; Kids & Habits

00:10:50 Sponsors: AG1 & Eight Sleep

00:13:38 Chronotype, Genetics, Military, Academia

00:18:01 Importance of Animal Models, Chromosomal Sex & Hormones; Sleep

00:24:22 Sleep Differences & Men vs Women, Sleep Pressure, Onset

00:30:32 Sex Differences, Sleep Duration; Naps

00:33:45 Tool: Nap Duration; “Nappuccino”, Chronic Insufficient Sleep

00:38:42 Multiphasic Sleep, Chronotype, Shift Work & Health Risks

00:42:44 Sponsors: LMNT & Parker University

00:45:29 Night Shift, Performance, Per Genes, Genetic Testing, Chronotypes

00:51:25 Antarctica, Sleep, Seasonality, Sleep Resilience & Limits

00:58:50 Poor Sleep, Sleep Banking, Weekends

01:01:42 Sleep in Extreme Environments, Outer Space

01:08:04 Mars Mission Preparation, Gene Editing & Studying Sleep

01:11:50 Short Sleepers, Sleep Pressure & Adenosine, Efficiency

01:16:39 Hypersomnia & Poor Health, Depression; Traumatic Brain Injury & Sleep

01:21:30 Sponsor: Momentous

01:23:08 Increasing Sleep Efficiency Case Study, Morning & Daytime Behaviors

01:30:23 Sleep Efficiency, Nighttime Behaviors, Foods, Melatonin?

01:34:59 Cold Plunge, Mouth Taping, Nasal Dilators

01:37:02 Jet Lag, Supplements, Melatonin

01:41:37 Sleep Extension, Tool: Intervals; Sleep Banking, Sleep In or Bed Earlier?

01:49:18 Youngstown, Ohio & Sports

01:55:24 Zero-Cost Support, YouTube, Spotify & Apple Subscribe & Reviews, Sponsors, YouTube Feedback, Social Media, Perform Newsletter

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