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• How to Sleep Better in a Hotel: A Sleep Doctor’s Hacks

  Most people sleep worse on the first night of a trip, and there is a real biological reason for it. Sleep researchers call it the first night effect. Various studies have shown that on a first night somewhere new, people took longer to fall asleep,...

• Why Does Menopause Cause Insomnia?

  Menopause insomnia is trouble falling or staying asleep that starts or gets worse during the years around your final period. It is one of the most common symptoms of the change. Studies found that roughly 4 in 10 women after menopause, and about 1 in...

• Why You Wake Up at 3 a.m.: The Real Reasons Behind Early Morning Awakenings

  Waking up around 3 a.m. and staring at the ceiling is one of the most common sleep complaints. It is also one of the most misunderstood. Here is the key point. No study shows that 3 a.m. itself has special meaning. What research does show...

• Deep Sleep and Longevity: The Link

  Deep sleep is the most physically restorative part of your night. It is also the stage you lose fastest as you age. A growing body of research now ties that loss to dementia risk, heart and metabolic health, and how long people live. This article...

• Sleep and Longevity: How Your Sleep Shapes How Long and How Well You Live

  Most people think about longevity in terms of diet, exercise, and not smoking. Sleep belongs on that list. In 2022, the American Heart Association added sleep as one of its “Life’s Essential 8,” the core habits that define heart health. That put sleep on the...

• Protein Before Bed: New Research Shows Milk Proteins Do Not Hurt Your Sleep

  A protein shake 30 minutes before bed will not wreck your sleep. That is the clear message from a new 2026 randomized controlled trial in elite college athletes, and it lines up with several other recent trials. For years, people have been told not to...

• BPAP vs CPAP: Is BPAP Better, Isn’t EPR the Same Thing, and Why Would Your Doctor Choose It?

  If your doctor prescribed BPAP instead of CPAP, or if you have read that BPAP is the “upgraded” machine, you may be wondering whether you are getting something better. You may also have noticed that your CPAP already has a setting called EPR that lowers...

• Can CPAP Affect Your Lungs? What the Latest Research Shows

  CPAP does not damage healthy lungs. For most people with sleep apnea, it protects the lungs and heart by keeping oxygen levels steady through the night. That said, CPAP is a medical device, and a few lung-related concerns deserve a clear answer. These include infections...

• REM Sleep Behavior Disorder: What It Is and How to Make the Bedroom Safer

  Most people lie perfectly still while they dream. People with REM sleep behavior disorder do not. They act out their dreams, sometimes with punches, kicks, shouts, or a leap out of bed. In one large clinic study, more than 8 in 10 patients had injured...

• Circadian Rhythm and Process S: The Two Systems That Decide When You Sleep

  Your sleep is not controlled by a single switch. Two separate systems in your brain decide when you feel sleepy and when you feel alert. Sleep scientists call them Process S and Process C. Process S is your sleep pressure. Process C is your circadian...

• Binge-Watching and Sleep: How “One More Episode” Costs You Rest, and How to Get It Back

  It is 11:40 p.m. The episode ends on a cliffhanger. A small countdown in the corner says the next one starts in five seconds. You tell yourself it is just one more. Two hours later, you are still awake, and your alarm is set for...

• Why Permanent Standard Time Is Better for Your Sleep Than Permanent Daylight Saving Time

  On Sunday, November 1, 2026, most of the United States will set its clocks back one hour. Many people hope it will be one of the last times. In July 2026, the U.S. House passed the Sunshine Protection Act by a wide bipartisan margin. The...

• Viral Sleep Game Teaches About Sleep Hygiene

  Most of my patients already know the sleep rules. Cut the late coffee. Put the phone down. Keep the room cool and dark. Then they go home and do the opposite, because nobody ever showed them what each habit actually costs them at 3 AM....

• Your Home Sleep Test Was Normal but You Still Feel Exhausted: Why Home Sleep Studies Can Miss Sleep Apnea and What to Do Next

  A normal home sleep test result feels like good news. For many people, it is accurate. But a home sleep apnea test can miss sleep apnea, and research shows this happens more often than most people expect. If you still snore loudly, wake up gasping,...

• Obstructive Sleep Apnea in Men vs. Women: How the Symptoms Differ

  Most people picture sleep apnea as a heavy-set middle-aged man who snores like a freight train and dozes off in meetings. That picture fits many men. It misses many women. Obstructive sleep apnea (OSA) affects up to 49% of men and 23% of women. Yet...

• Scientists Discover How Deep Sleep Builds Muscle, Burns Fat, and Boosts the Brain

  Growth hormone is one of the body’s main repair signals. It helps build muscle and bone, mobilizes stored fat for fuel, and supports tissue recovery. Doctors have known for decades that most of it is released at night while you sleep. What nobody could explain...

• How to Stop Snoring: What the Research Actually Supports

  About 150 million people in the United States snore without having sleep apnea. That estimate comes from a 2024 randomized trial in JAMA Otolaryngology, and the same researchers pointed out something surprising. Very few studies have tested treatments for plain snoring, even though it affects...

• White Noise vs. Brown Noise vs. Red Noise: What the Science Says About Sleep Sounds

  Brown noise and red noise are the same sound. That surprises most people. The bigger surprise is what recent research shows about colored noise and sleep: it can help in a noisy room, but it is not a free upgrade for everyone, and louder is...

• Does White Noise Help Sleep? Why Sleep Doctors Recommend It

  Some swear by their bedroom fan. Others have tried every sleep sound app and still wake at 3 a.m. when a car door slams. Here is the short answer. White noise can help you sleep, mostly when noise is the thing waking you up. It...

• What Is a Short Sleeper? Do They Really Not Feel Tired?

  Some people sleep 4 to 6 hours a night, wake up without an alarm, and feel great. No afternoon slump. No weekend lie-in. No triple espresso to get through the day. They are called natural short sleepers. They are real, but they are rare. Most...