A Deakin University study claims one sleepless night cuts muscle protein synthesis by 18%, drops testosterone by 24%, and raises cortisol by 21%. It sounds alarming, until you learn that testosterone already falls about that much every afternoon and most of these changes reset after one good night. In this episode we look at five well-designed studies on what one bad night really does, and which effects actually matter. In this episode we will:

• Put the Deakin study’s testosterone, cortisol and muscle numbers next to what the body does on a normal day
• Look at a four-hour night and the one effect that doesn’t fully reset by morning: a primed immune system
• Revisit the “one all-nighter builds Alzheimer’s amyloid” headline and why researchers pushed back
• Dig into the effects you feel the next day, including a roughly 30% jump in anxiety
• Land on the real danger: 17 to 19 hours awake can impair you about as much as a 0.05% blood alcohol level
• Touch upon what you can do to offset these effects

To find out more about this week’s podcast sponsor SideSleeperZ, please use the following link: https://sidesleeperz.com/

Original intro music Vigilanteology by Abhinav Singh (copyright 2026)

Original outro music Vigilanteology (reprise) by Abhinav Singh (copyright 2026)

Produced by: Maeve Winter

Music by: Dr. Abhinav Singh (@sleep_vigilante), all rights reserved

More

• Twitter: @drchriswinter
• IG: @drchriwinter
• Threads: @drchriswinter
• Bluesky: @drchriswinter
• The Sleep Solution and The Rested Child

Thanks for listening and sleep well!

What if treating insomnia were less like fixing a medical problem and more like earning a black belt in karate? Welcome to the Insomnia Dojo, a six-belt journey from the frightened white belt who desperately wants to control sleep to the enlightened black belt who realizes that sleep never needed controlling in the first place. Along the way, we'll draw inspiration from Bruce Lee, Mr. Miyagi, Jean-Claude Van Damme, and even Pai Mei from Kill Bill. Wax on, wax off, Grasshopper. Your insomnia training begins now. In this episode we will:

• Explore the six belts of insomnia treatment, from white to black, and what each represents.
• Define the fundamental lessons of sleep science that every insomnia student must master.
• Examine how sleep hygiene, medications, audiobooks, and relaxation techniques can help patients while sometimes creating new dependencies.
• Discuss why confidence, flexibility, and resilience are more important than achieving perfect sleep.
• Review the role of CBT-I, acceptance, and cognitive strategies in progressing toward insomnia mastery.
• Reveal the ultimate secret of the insomnia black belt: sometimes the greatest mastery comes from letting go of control entirely.

To find out more about this week's podcast sponsor Sleep Reset, please use the following link: http://thesleepreset.com/podcast

Original intro music Vigilanteology by Abhinav Singh (copyright 2026)

Original outro music Vigilanteology (reprise) by Abhinav Singh (copyright 2026)

Produced by: Maeve Winter

Music by: Dr. Abhinav Singh (@sleep_vigilante), all rights reserved

More

• Twitter: @drchriswinter
• IG: @drchriwinter
• Threads: @drchriswinter
• Bluesky: @drchriswinter
• The Sleep Solution and The Rested Child

Thanks for listening and sleep well!

Dr. Saema Tahir (@thenycsleepdoctor) joins me for another countdown of the Top 10 Sleep Threats. From social media sleep hacks and nightly Benadryl to the dangers of relying on sleep trackers and chatbots for medical advice, Dr. Tahir takes aim at some of the most common misconceptions in sleep medicine. In this episode we will:

• Explore why AI and social media aren't substitutes for proper sleep evaluations.
• Discuss the risks of nightly Benadryl and the myth of the relaxing nightcap.
• Examine the consequences of weekend sleep-ins and irregular sleep schedules.
• Explain why sleep hygiene alone isn't an effective treatment for chronic insomnia.
• Investigate how insufficient sleep can mimic ADHD symptoms.

To find out more about this week's podcast sponsor Halo by screen Zen, please use the following link: https://screenzen.co/products/halo

Use the discount code DRWINTER for 20% off

Original intro music Vigilanteology by Abhinav Singh (copyright 2026)

Original outro music Vigilanteology (reprise) by Abhinav Singh (copyright 2026)

Produced by: Maeve Winter

Music by: Dr. Abhinav Singh (@sleep_vigilante), all rights reserved

More:

• Twitter: @drchriswinter
• IG: @drchriwinter
• Threads: @drchriswinter
• Bluesky: @drchriswinter
• The Sleep Solution and The Rested Child

Thanks for listening and sleep well!

Original intro music Vigilanteology by Abhinav Singh (copyright 2026)

Original outro music Vigilanteology (reprise) by Abhinav Singh (copyright 2026)

Produced by: Maeve Winter

Music by: Dr. Abhinav Singh (@sleep_vigilante), all rights reserved

More

• Twitter: @drchriswinter
• IG: @drchriwinter
• Threads: @drchriswinter
• Bluesky: @drchriswinter
• The Sleep Solution and The Rested Child

Thanks for listening and sleep well!