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Why You’re Always Tired: A Sleep Expert Explains REM, Deep Sleep & Sleep Cycles
In this episode, Isaac sits down with Teresa, a sleep expert and sleep apnea educator, to break down what most people misunderstand about sleep and why “just going to bed” isn’t enough.
They talk about why sleep is an active process (especially during REM), how sleep cycles work (90–120 minutes), and why waking up at the “wrong time” can make you feel groggy even after a full night in bed. Teresa explains the difference between REM vs deep sleep, why you need all stages of sleep, and why more gadgets and supplements aren’t always the answer.
They also get into the real world stuff: caffeine timing, morning sunlight, nighttime light exposure, alcohol’s impact on sleep quality, and why sleep starts the moment you wake up. If you’re always tired, anxious, or struggling with motivation, this episode will connect a lot of dots.
Guest Resources (Teresa – Sleep Better NYC)
Instagram: https://www.instagram.com/sleepbetternyc
Free Sleep Better Guide: https://36b3-teresa.systeme.io/sleep-downloads
Website / Corporate Sleep Programs: https://sleepbetter.nyc/corporate
👉 All Sleep Better NYC links (start here):
https://linktr.ee/Sleepbetternyc?utm_source=ig&utm_medium=social&utm_content=link_in_bio
What You’ll Learn
Sleep is not passive — your brain is highly active during REM
Sleep cycles are ~90–120 minutes (and why timing matters)
REM vs deep sleep: what each stage actually does
Why you feel groggy when you wake up mid-cycle
The #1 sleep myth: “more deep sleep is always better”
How caffeine timing affects sleep even when you “don’t feel it”
Why morning light is one of the biggest sleep “hacks”
How to improve sleep if you wake up before sunrise
Why melatonin isn’t the fix most people think it is
Signs you might have sleep apnea (snoring, gasping, racing heart)
Mouth taping: when it helps and when it can make things worse
How alcohol wrecks REM/deep sleep (even if you sleep 8 hours)
Why sleep deprivation impacts mood, anxiety, and decision-making
The simplest place to start: consistency and a wind-down routine
Support the Show & Save Money
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Use code TLF-ISAAC
https://shoptlf.com/isaac
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Save $50 with my link
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More Episodes
Living With Intention: Marriage, Faith, Money & Building a Life That Lasts
https://open.spotify.com/episode/7BD46g3wAqUFUh1YekgVgG
The Landscaping Problem That Built a Multi-Million Dollar Software
https://open.spotify.com/episode/5EiqBzFCrh1wTyLqvBhiGz
Ridge Hershberger: The Comedy Farmer
https://open.spotify.com/episode/0sluojWZhP4dSxcsnniJYE
Follow & Listen
All platforms
https://beacons.ai/thedoubletakepodcast
Instagram
https://www.instagram.com/thedoubletakepodcastofficial/
TikTok
https://www.tiktok.com/@thedoubletakepodcastofcl
YouTube
https://www.youtube.com/@thedoubletakepodofficial
Contact
[email protected]
Support the show
View all episodes
By ISAAC DRENNINGIn this episode, Isaac sits down with Teresa, a sleep expert and sleep apnea educator, to break down what most people misunderstand about sleep and why “just going to bed” isn’t enough.
They talk about why sleep is an active process (especially during REM), how sleep cycles work (90–120 minutes), and why waking up at the “wrong time” can make you feel groggy even after a full night in bed. Teresa explains the difference between REM vs deep sleep, why you need all stages of sleep, and why more gadgets and supplements aren’t always the answer.
They also get into the real world stuff: caffeine timing, morning sunlight, nighttime light exposure, alcohol’s impact on sleep quality, and why sleep starts the moment you wake up. If you’re always tired, anxious, or struggling with motivation, this episode will connect a lot of dots.
Guest Resources (Teresa – Sleep Better NYC)
Instagram: https://www.instagram.com/sleepbetternyc
Free Sleep Better Guide: https://36b3-teresa.systeme.io/sleep-downloads
Website / Corporate Sleep Programs: https://sleepbetter.nyc/corporate
👉 All Sleep Better NYC links (start here):
https://linktr.ee/Sleepbetternyc?utm_source=ig&utm_medium=social&utm_content=link_in_bio
What You’ll Learn
Sleep is not passive — your brain is highly active during REM
Sleep cycles are ~90–120 minutes (and why timing matters)
REM vs deep sleep: what each stage actually does
Why you feel groggy when you wake up mid-cycle
The #1 sleep myth: “more deep sleep is always better”
How caffeine timing affects sleep even when you “don’t feel it”
Why morning light is one of the biggest sleep “hacks”
How to improve sleep if you wake up before sunrise
Why melatonin isn’t the fix most people think it is
Signs you might have sleep apnea (snoring, gasping, racing heart)
Mouth taping: when it helps and when it can make things worse
How alcohol wrecks REM/deep sleep (even if you sleep 8 hours)
Why sleep deprivation impacts mood, anxiety, and decision-making
The simplest place to start: consistency and a wind-down routine
Support the Show & Save Money
TLF Apparel — 15% OFF
Use code TLF-ISAAC
https://shoptlf.com/isaac
SaunaBox (Red Light + Sauna)
Save $50 with my link
https://www.saunabox.com/ISAAC11303
More Episodes
Living With Intention: Marriage, Faith, Money & Building a Life That Lasts
https://open.spotify.com/episode/7BD46g3wAqUFUh1YekgVgG
The Landscaping Problem That Built a Multi-Million Dollar Software
https://open.spotify.com/episode/5EiqBzFCrh1wTyLqvBhiGz
Ridge Hershberger: The Comedy Farmer
https://open.spotify.com/episode/0sluojWZhP4dSxcsnniJYE
Follow & Listen
All platforms
https://beacons.ai/thedoubletakepodcast
Instagram
https://www.instagram.com/thedoubletakepodcastofficial/
TikTok
https://www.tiktok.com/@thedoubletakepodcastofcl
YouTube
https://www.youtube.com/@thedoubletakepodofficial
Contact
[email protected]
Support the show