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Lesson 3 of 7 5 min read 16 min listen

Sleep

Sleep is the single most powerful longevity intervention we have.

Circadian rhythmDurationConsistency
Key takeaways

What to hold onto

  • 1

    Ever walk into a room and forget why you’re there?

  • 2

    Struggle to find the right word, stay focused, or feel like your brain just isn’t firing the way it used to?

  • 3

    Jared Leon dives into brain fog—what it feels like, why so many people are experiencing it, and what your body may be trying to tell you.

  • 4

    Brain fog isn’t just about being tired or distracted.

Clinical Pearl from Dr. Leon
“Jared Leon dives into brain fog—what it feels like, why so many people are experiencing it, and what your body may be trying to tell you.”
— Dr. Jared Leon
Action steps

Practice this week

  • Fix your wake time this week — same time, seven days.

  • The rest of sleep organizes around that anchor.

© 2026 Functional Living · Dr. Jared Leon