Uploaded May 2026 | Updated September 2026, 4 days ago
How much sleep do you personally need to thrive and support your health and energy?
Elite sleep physician Dr. Cheri Mah (who optimizes sleep for the NBA, NFL, and top CEOs) breaks down the science of finding your personal sleep blueprint, why sleep is the ultimate overlooked performance advantage, and how to protect your sleep quality as you age.
Don't forget to subscribe to The Honest Channel for more insights on living better for longer. youtube.com/thehonestchannel
Follow Dr Mah for more sleep insights: instagram.com/drcherimah
drcherimah.com
✨ Join The Honest Channel Membership for behind-the-scenes content and vlogs: youtube.com/channel/UC4qU47VfUwFLDzolJEczYCA/join
📩 Sign up for my free newsletter to get every episode delivered to your inbox: https://mailchi.mp/honest/the-honest-channel-newsletter
🛍️ Shop & Save on My Recommendations
I use affiliate links where available which means I earn a small commission on purchases made. This supports the channel at no extra cost to you.
⭐ MY SKINCARE ROUTINE → shopmy.us/collections/243245
⭐ HEALTHY AGING SUPPLEMENTS & TOOLS I USE → shopmy.us/collections/408665
⭐ MY HAIR CARE ESSENTIALS → shopmy.us/shop/collections/3595892
⭐ MY BOOKS (I'm an author too!) → shopmy.us/TheHonestChannel/books-i've-written! 🎧
BROWSE MY FULL RECOMMENDATIONS: shopmy.us/shop/TheHonestChannel
👋 About Me
I’m Clare Johnston — a journalist in my 50s on a mission to share the best information and advice on how to age well, look and feel great for longer.
📖 Read more articles & insights on my website: http://www.honest.scot
🎧 Listen on the go with YouTube Music: music.youtube.com/playlist?list=PLwJwOmOzK8TCgwdxtIqoamTih3Aoi9BTk
TIMESTAMPS:
00:00 – Meet Dr. Cheri Mah: The Science of Sleep
01:12 – Why Focus on Sleep? The Evolution of Sleep Medicine
02:06 – Enhancing Recovery and Paying Back Sleep Debt
03:21 – Debunking the "Badge of Honor" for Less Sleep
06:04 – Sleep Stages: Muscle Recovery and Brain Health
06:49 – The Glymphatic System: Your Brain's Waste Removal
07:52 – How Much Sleep Do You Really Need?
09:35 – Is Waking Up at Night Damaging Your Health?
11:26 – Can People Oversleep? Sluggishness vs. Sleep Debt
14:42 – Strategic Approaches to Catching Up on Sleep
15:10 – The Truth About Napping: Boost vs. Recovery
17:31 – Managing Sleep During Perimenopause and Hormonal Shifts
18:06 – Quality Over Quantity: Optimizing Your Sleep Environment
19:11 – Caffeine, Age, and Your Sleep Sensitivity
21:16 – The Half-Life of Caffeine and Ideal Cut-off Times
23:11 – Where to Start If You’re Struggling to Sleep
25:41 – Genetic Short Sleepers: Does This Rare Group Include You?
27:51 – Is Requiring a Daily Nap Unhealthy?
30:08 – Sleep: The Foundation of Health, Not Just a Pillar
31:29 – Impact on Immune Function, Hormones, and Cravings
33:00 – Case Study: Improving Performance in Elite Athletes
36:26 – Chronotypes: Aligning Work Schedules with Your Body Clock
39:45 – Testing Your Own Sleep Boundaries
41:12 – Do We Really Need Less Sleep as We Age?
43:28 – Identifying Sleep Disorders Like Sleep Apnea
45:06 – Summary and Final Takeaways
Connect with me on social media:
📸 Instagram: instagram.com/honestclare
🎵 TikTok: tiktok.com/@honestchannel
👥 Facebook: facebook.com/honestclare
Disclaimer: All content on this channel is for informational purposes only and is not intended as medical advice and should not be treated as a substitute for medical advice.
How much sleep do you personally need to thrive and support your health and energy?
Elite sleep physician Dr. Cheri Mah (who optimizes sleep for the NBA, NFL, and top CEOs) breaks down the science of finding your personal sleep blueprint, why sleep is the ultimate overlooked performance advantage, and how to protect your sleep quality as you age.
Don't forget to subscribe to The Honest Channel for more insights on living better for longer. youtube.com/thehonestchannel
Follow Dr Mah for more sleep insights: instagram.com/drcherimah
drcherimah.com
✨ Join The Honest Channel Membership for behind-the-scenes content and vlogs: youtube.com/channel/UC4qU47VfUwFLDzolJEczYCA/join
📩 Sign up for my free newsletter to get every episode delivered to your inbox: https://mailchi.mp/honest/the-honest-channel-newsletter
🛍️ Shop & Save on My Recommendations
I use affiliate links where available which means I earn a small commission on purchases made. This supports the channel at no extra cost to you.
⭐ MY SKINCARE ROUTINE → shopmy.us/collections/243245
⭐ HEALTHY AGING SUPPLEMENTS & TOOLS I USE → shopmy.us/collections/408665
⭐ MY HAIR CARE ESSENTIALS → shopmy.us/shop/collections/3595892
⭐ MY BOOKS (I'm an author too!) → shopmy.us/TheHonestChannel/books-i've-written! 🎧
BROWSE MY FULL RECOMMENDATIONS: shopmy.us/shop/TheHonestChannel
👋 About Me
I’m Clare Johnston — a journalist in my 50s on a mission to share the best information and advice on how to age well, look and feel great for longer.
📖 Read more articles & insights on my website: http://www.honest.scot
🎧 Listen on the go with YouTube Music: music.youtube.com/playlist?list=PLwJwOmOzK8TCgwdxtIqoamTih3Aoi9BTk
TIMESTAMPS:
00:00 – Meet Dr. Cheri Mah: The Science of Sleep
01:12 – Why Focus on Sleep? The Evolution of Sleep Medicine
02:06 – Enhancing Recovery and Paying Back Sleep Debt
03:21 – Debunking the "Badge of Honor" for Less Sleep
06:04 – Sleep Stages: Muscle Recovery and Brain Health
06:49 – The Glymphatic System: Your Brain's Waste Removal
07:52 – How Much Sleep Do You Really Need?
09:35 – Is Waking Up at Night Damaging Your Health?
11:26 – Can People Oversleep? Sluggishness vs. Sleep Debt
14:42 – Strategic Approaches to Catching Up on Sleep
15:10 – The Truth About Napping: Boost vs. Recovery
17:31 – Managing Sleep During Perimenopause and Hormonal Shifts
18:06 – Quality Over Quantity: Optimizing Your Sleep Environment
19:11 – Caffeine, Age, and Your Sleep Sensitivity
21:16 – The Half-Life of Caffeine and Ideal Cut-off Times
23:11 – Where to Start If You’re Struggling to Sleep
25:41 – Genetic Short Sleepers: Does This Rare Group Include You?
27:51 – Is Requiring a Daily Nap Unhealthy?
30:08 – Sleep: The Foundation of Health, Not Just a Pillar
31:29 – Impact on Immune Function, Hormones, and Cravings
33:00 – Case Study: Improving Performance in Elite Athletes
36:26 – Chronotypes: Aligning Work Schedules with Your Body Clock
39:45 – Testing Your Own Sleep Boundaries
41:12 – Do We Really Need Less Sleep as We Age?
43:28 – Identifying Sleep Disorders Like Sleep Apnea
45:06 – Summary and Final Takeaways
Connect with me on social media:
📸 Instagram: instagram.com/honestclare
🎵 TikTok: tiktok.com/@honestchannel
👥 Facebook: facebook.com/honestclare
Disclaimer: All content on this channel is for informational purposes only and is not intended as medical advice and should not be treated as a substitute for medical advice.
