Name: Your Brain on Deep Sleep—and How to Get More | Sleep Physician
Uploaded: 2026-06-25T23:49:43.000Z
Description: It’s in slow-wave (or deep) sleep that the brain’s trash disposal process is underway, says internist and sleep medicine physician, Dr. Roger Seheult.

Tom Gantert is a reporter for The Epoch Times.

Tom Gantert

Melina Wisecup is NTD's congressional correspondent based in Washington, covering Capitol Hill and campaign politics.

Melina Wisecup

News

US News

Politics

Executive Branch

Trump Uses Recent Speeches to Warn Americans of Resurging Communism

Juliet Song is an international correspondent exclusively covering China news for NTD. She primarily contributes to NTD's "China in Focus," covering U.S.-China relations, the Chinese regime's human rights abuses, and domestic unrest inside China.

Juliet Song

NTD Plus

Shows

Fast, compelling, first-hand news from China. China in Focus airs Monday–Friday at 9:30 p.m. ET.

China in Focus

2.8 Million People in China Evacuated Amid Typhoon Bavi

NTD Newsroom comprises teams of reporters, editors, and producers assigned to cover breaking news and other stories.


NTD Newsroom

Breaking news and in-depth analysis from the United States and beyond. We bring you the latest updates, exclusive insights, and sharp discussions on the most pressing issues. NTD Newsroom airs Monday–Friday from 2 p.m. to 6 p.m. ET.

US Announces Visa Restrictions Targeting Cybercriminals

NTD Movies

NTD+ Movies

The Unrestricted War

Joseph Lord is a congressional reporter for The Epoch Times.


Joseph Lord

Congress

House Passes Legislation to Make Daylight Saving Time Permanent

Troy Myers is a regional reporter based in St. Augustine, Florida. His background includes breaking, criminal justice, and investigative writing for local news, producing on a national morning newscast in Washington, D.C., and working with an award-winning, weekly investigative news program. In his free time, he enjoys spending time with his dog at the beach.

Troy Myers

Jason Perry is an Army veteran and NTD's national security correspondent. Jason primarily covers border security, national defense, foreign wars, and veterans' issues.

Jason Perry

Courts

Appeals Court Upholds Block on Trump Order to Tighten Mail-In Voting, Citizenship Verification

The Associated Press is an American not-for-profit news agency headquartered in New York City. 

The Associated Press

Sen. Lindsey Graham Likely Died After Aorta Tear, Medical Examiner Says

Bringing you the latest videos, livestreams, and premieres.


NTD Videos

Label

Live

NTD+ Live

Trump Makes an Announcement on Freedom Hauler in the White House

Mary Man is a writer for NTD. She has traveled around the world covering China, international news, and arts and culture.

Mary Man

China News

China Floods: Thousands at Risk After Multiple Dams Collapse in Guangxi

Jackson Richman is a Washington correspondent for The Epoch Times. In addition to Washington politics, he covers the intersection of politics and sports/sports and culture. He previously was a writer at Mediaite and Washington correspondent at Jewish News Syndicate. His writing has also appeared in The Washington Examiner. He is an alum of George Washington University.

Jackson Richman

House Passes Defense Policy Bill That Attaches SAVE America Act

Brendon Fallon is the host and executive producer of NTD's "Vital Signs," a health show that zooms in on the important matters of health that come up in everyday life—connecting the dots across the broad canvas of our holistic wellbeing.


Brendon Fallon

Discover trending health videos for body, mind, and soul on Vital Signs. Explore important matters of everyday health, from better sleep to virus immunity

Vital Signs

6 Ways to Free-up Trauma, inc EMDR, Neuro Emotional Technique — Clinical Psych

Trick the Mind into Wealth, Romance, Success? Science Behind Law of Attraction

The Viruses Scientists Fear Most—Ebola, Hantavirus, & H5N1 With ICU Doctor Roger Seheult

Flip ADHD: 5 ’Strategic Unfocus’ Tools from a Harvard Neuroscientist

Mindfulness: Why Your Mind Runs Wild—First Steps to Taking Control

Tune out Anxiety, Hone Focus Through Wearable Vibration–Neuroscientist

3-Step ‘NY Firefighter’ Trauma, Burnout Relief Exercises—James Gordon MD

ADHD: Feed Kids These Foods, Avoid These—Harvard Psychiatrist Uma Naidoo

Beyond Serotonin, What Causes Depression? 7 Habits to Boost Mood

Tips to Rein in Rage to Rescue Relationships | Brad Jacobs MD

Nano Vitamins to Fight Viruses that Could Cause Cancer: Curcumin, Quercetin, EGCG

Virus Carried by 50 Percent of Adults Could Alter Breast, Prostate, Colon Cancer

Anti-Cancer: Plants vs Meds in Activating Immune Shield

How to Starve Cancer Cells– Carnivore Doctor

Use Home Hydrotherapy to Combat Flu, Next Big Virus

Good Bacteria Against Breast Cancer and IBS

What Silent Diet Factor Grows Cancer? Genes vs. Lifestyle for Cancer Risk | Dr. Jason Fung

How to Boost Cancer Immunity and How Cancer ‘Thinks’ Like a Virus | Dr. Jason Fung

Fixing the Hidden ‘Gut Factor’ in Women’s Hormone Health—Reduce UTI, STD, Depression

Counter Colon Cancer, Colitis, Irritable Bowel by Eating This Homemade Yogurt

Alzheimer’s: Lost Molecules from Food that Slow Brain Aging | Austin Perlmutter MD

Alzheimer’s: 12 Vitamins, Foods, Exercises for Brain Metabolism | David Perlmutter MD

7 Core Supplements to Boost Strength, Weight Loss After 60 | Doug Spiel, MD

Glutathione Found Low in Parkinson’s, Alzheimer’s–How the Body Heals the Mind | Joseph Maroon MD

Shift Immune Cells from Attack to Brain-Defense Mode | David Perlmutter MD

7 Anti-Alzheimer’s Nutrients and How to Take Them—A Brain Surgeon’s Guide

Ways to Protect Infant, Fetal Brains from Toxins–Cut ADHD, Autism Risk 2

Cut ADHD, Autism Risk From Cooking Oils, Wheat, and Cheese

Why ADHD Brains Jump Around

How Twins’ Autism Shifted After Detox of Home, Diet, Lifestyle

Hidden Ingredient Causing Migraine, Obesity—Neurosurgeon

Peptides, Finding Purpose, and Powerful Habits – Keys to Longevity | Bob Goldman MD

Which Protein, Fats for Brain Health? What’s Missing from the New Pyramid? | David Perlmutter MD

If High LDL Doesn’t Signal Heart Risk, What Does?–Critical Blood Tests

How to Reboot Your Immune Sys to Stop Allergies, Arthritis, Gut Issues | Jeffrey Bland PhD

Risk vs Benefit: Constipation, Gout, Kidney Stones on Zero Carb | Carnivore MD

Long-Life Humans: What was their Secret? | Anthony Chaffee MD

Elderberry Versus Elderflower Against Colds, Flu, and COVID

Key Signs of Kidney Disease and Steps to Prevent It

Top Myopia Treatments: Natural Remedy, Medicine, Lifestyle | Dr. Rani Banik

Nurture Gut Flora — Sauerkraut’s 5 Key Benefits

Nitrogen Plasma: Skin Treatment Hope for Acne Scars, Wrinkles, Sagging?

Diet Switch: Hormone, Weight Loss, Brain Health Benefits | Bella Ma

Why Women Must Build Muscle — Best Protein, Exercises | JJ Virgin

Vinegar, Rye, Steel-Cut Oats, and other Fat Busters | Jason Fung MD

Curb Hunger Hormones to Lose Weight Drug Free | Jason Fung MD

Ease Arthritis: Supplements to Surgery | Orthopedic Surgeon

Cut Kidney Inflammation Risk via the Fasting Mimicking Diet | Dr. Jason Fung

Why the ‘Biggest Losers’ Regained Weight | Dr. Jason Fung

Why Are We Fatter Now Than in the 70s? | Dr. Jason Fung

It’s in slow-wave (or deep) sleep that the brain’s trash disposal process is underway, says internist and sleep medicine physician, Dr. Roger Seheult.

Watch our exclusive episode, only on <a href="https://www.ntd.com/vital-signs" target="_blank" rel="nofollow noopener">NTD</a>.

Large-amplitude slow waves cause a pulsation of the lymphatic system around the brain, taking away its impurities, including discarded proteins, says Seheult.

However, a lack of slow-wave sleep may lead to these proteins building up, as seen with the buildup of amyloid protein in the brain that is linked to Alzheimer’s disease.

Seheult, who is also specialized in pulmonary diseases and critical care medicine, is an associate professor of medicine at UC Riverside.

On “Vital Signs with Brendon Fallon,” he reveals ways to sync our internal clocks to the sunrise–sunset rhythm of the day to get more slow-wave sleep—and a better night’s rest overall.

These strategies include varying our exposure to light before bed and in the early morning, supporting our bodies’ natural cool-down process during sleep, and optimizing the sleeping environment.

“Nine or ten o’clock at night is when melatonin starts to be secreted from the pineal gland as a signal to the entire body that things are going to be shutting down and you’re going to be going to bed,” says Seheult.

Exposing your eyes to light, especially from devices, at night is going to delay the circadian rhythm, he says. “So instead of falling asleep at nine, ten, or eleven o’clock … you’re getting tired now at twelve or one o’clock in the morning.”

How might a warm shower before bed influence sleep? How might restricting sleep time lead to an improved sleep routine?

Seheult reveals easy steps to reset the body’s clocks for better sleep on “Vital Signs.”

Also with Dr. Roger Seheult on🔅Vital Signs:

Watch “Anti-Virus Light” on how to tap the sun’s UV and infrared healing power.

Watch “5 Immune Boosters” on the power of sauna, heat therapy, and the ‘fever response.’

————————————————————————————————————————————————-

Follow Vital Signs on Social Media:
<a href="https://X.com/seevitalsigns">X</a> | <a href="https://www.instagram.com/vitalsignsbrendon/">Instagram</a> | <a href="https://www.facebook.com/VitalSignsBrendon">Facebook</a> | <a href="https://gettr.com/user/vitalsignsbrendon">Gettr</a> | <a href="https://t.me/VitalSignsBrendon">Telegram</a>

====================================================================

Vital Signs’ host, guests, and contributors offer general information on improving health and wellness. This is not intended as diagnosis or medical advice. You should consult your medical doctor or holistic doctor before enacting any suggested strategies for health and wellness improvement, including those in relation to preventing or treating specific diseases featured on this program.

Views expressed in this video are opinions of the host and guests, and do not necessarily reflect the views of NTD.

Latest

Paywall Related

Conversations on current and trending topics.

Latest and breaking news, documentaries, movies, and lifestyle content on NTD+.
 
Empower your knowledge and elevate your spirit with NTD+, your go-to destination for truthful news, insightful documentaries, and captivating lifestyle content that enriches your life.