5 Minute Facts - Circadian/Ultradian Rhythm Optimization

28 Jan 2026 · 29 min
Episode

28 Jan 2026 · 29 min

0:00

Podcast episode (Ep. 250) — a Performance Power segment hosted by Kari Schneider explaining biological clocks (suprachiasmatic nucleus in the hypothalamus controlling melatonin), circadian rhythms (24-hour cycle) and ultradian rhythms (repeating 90–120 minute cycles during the day that include performance peaks and troughs). Practical guidance emphasizes taking short restorative breaks (20 minutes ideal, 5–10 minutes better than nothing) between ultradian cycles to clear metabolic/mental waste, restore performance, and reduce long-term health risks (inflammation, disrupted metabolism, decreased immunity, burnout). The episode includes listener Q&A about what counts as a restorative break, naps, children’s needs, therapy/work scheduling, concussion recovery, and applications for daily routines.

Questions this episode answers

Episode 250.

In the suprachiasmatic nucleus (≈20,000 nerve cells) located in the hypothalamus.

Melatonin.

24 hours.

About 90–120 minutes (1.5–2 hours).

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