One glass of wine at 7 PM cut my REM sleep by 37 percent. Here is the polysomnography data to prove it — and what to drink instead.
Boulder gets 9 hours of daylight in December. My sleep schedule fell apart. Here is the light therapy protocol that fixed it.
I tested both for 30 nights each with a polysomnography headband. One of them improved my deep sleep by 14 percent.
Title: Boulder Altitude Sleep: Why Your Cycle Is Off and How to Fix It Slug: boulder-altitude-sleep-cycle-fix Date: 2026-08-01 Domain: bedtimecycle.co...
My brother sleepwalked into the garage at 2 AM last month. Here is what triggers it and the non-drug fixes that work.
I have had sleep paralysis 23 times. It is terrifying. It is also completely normal. Here is the neuroscience behind it.
Why Your Teenager Sleeps Until Noon (And It Is Not Laziness) Dr. Sarah Mitchell It was 9:47 AM on a Saturday in Boulder, and Leo was still asleep. Not...
Mike snored at 68 decibels. That is louder than a vacuum cleaner. Here is what worked for us before the CPAP machine.
My husband Mike snored for years. Then he stopped breathing. Here are the signs I missed and the test that saved us.
Leo begged for one more episode at 8 PM. I said yes once. He was awake until 10:30. Here is the screen time rule that works.
At 11:47 PM my brain decides to solve every problem I have ever had. The brain dump method cut my sleep latency from 47 to 12 minutes.
I was 34 weeks pregnant with Leo and sleeping in 47-minute chunks. Here is what actually helped, backed by OB-GYN research.
TikTok says tape your mouth shut for better sleep. My ENT colleague says that is a great way to end up in the ER.
I made my clients stare at the Boulder sunrise for 30 minutes every morning. Their sleep onset improved by an average of 22 minutes.
You are probably taking ten times too much melatonin. The MIT study from 2001 still holds up. Here is why less is more.
I tracked my sleep for 30 days. Not just hours. Quality. Deep sleep percentage. REM cycles. Wake events. My watch gave me a "sleep score" every mornin...
Not all magnesium supplements are equal for sleep. I broke down the absorption rates, the studies, and the diarrhea risk.
I spent six months in a lucid dreaming study at CU Boulder. Reality checks work. Dream journals work. Here is the protocol.
My mother swears she cannot sleep during a full moon. I tracked 12 lunar cycles. The data says something different.
Your 2 PM coffee is still in your bloodstream at midnight. I calculated the exact cutoff for every drink strength.
I wore blue-light blocking glasses for 60 nights. My melatonin levels did not change. Here is what the 2024 meta-analysis actually says.
I ran at 6 AM for a month. Then at 8 PM. My Oura ring told me exactly which one wrecked my sleep.
I tracked my sleep quality across 58°F to 74°F for 45 nights. The optimal temperature surprised even me.
One glass of wine at 7 PM cut my REM sleep by 37 percent. Here is the polysomnography data to prove it.
Why My Sleep Tracker Lied to Me Every Night of the Boulder Heat Wave Dr. Sarah Mitchell At 3:14 AM last Wednesday, I was staring at the ceiling of my ...
The alarm went off at 4:47 AM because 5:00 felt too round, too obvious, too much like giving up. I had read the books. I had watched the YouTube video...
Why My 7-Year-Old Outsmarted My Sleep Routine (And What I Did About It) It was 9:47 PM on a Tuesday in Boulder, and Leo was still awake. Not just awak...
I Tracked My Sleep for 847 Mornings. Then I Ruined It With One Bad Decision. I am an idiot. I need to say that first, because what I'm about to tell y...
I had been waking up to a blaring alarm for fifteen years. Then I learned what happens when you interrupt deep sleep.
No wearable? No problem. A pen, paper, and 7 days of patience is all you need to find your natural cycle length.
Deep sleep comes first. REM comes later. Interrupt the order and you wake up feeling like a zombie.
20 minutes or 90 minutes. Nothing in between. Here is the exact science of napping without grogginess.
One app said I got 8.2 hours. Another said 6.4. I wore a polysomnography headband to find the truth.
Start adjusting three days before your flight. Here is the exact light exposure schedule for east vs west travel.
I napped for 90 minutes every day for a month. Then I tried 20 minutes. The data was shocking.
Your body wants to sleep because it is tired. Your brain wants to sleep because it is dark. They do not always agree.
How many sleep cycles do you need? Five? Six? Seven? The answer is not a fixed number. It depends on your age. It depends on your sleep quality. It de...
Most people are sleep-bankrupt. Track your debt for 7 days and see exactly how much sleep you owe.
Your fitness watch gave you a sleep score of 82. Do you know what that actually means? Probably not.
Eight hundred and forty-seven mornings. That is not a typo. I literally tracked every single wake-up for over two years.
Stop trying to go to bed earlier. You are doing it backwards. The 15-minute rule is the only thing that works.
Did you spend three thousand dollars on a mattress because a salesperson told you it would change your life?
I set six alarms. Every single morning. That is what Mark told me in his first session.
I am just not a morning person. That is what I said for thirty years. Then I did this experiment.
I used to set a thirty-minute nap alarm. I always woke up worse. Here is why, and how to fix it.
I will catch up on sleep when I am dead. That is what my brother texts me. Here is a realistic plan instead.
Who decided eight hours was the magic number? Let me guess — someone who never had kids.
Shift workers have a forty percent higher risk of sleep disorders. I talked to one who figured it out.
Landing at London Heathrow at 9 AM. Your body thinks it is 2 AM. Here is what you do before you even get off the plane.
I have a PhD in sleep. And I still spent the first six months of Leo's life waking up to a vibrating phone under my pillow.
I will sleep when I am dead. A text from my brother, 11 PM, last Tuesday. I did not respond. I was too tired to argue.
You went to bed at 10 PM. You woke up at 6 AM. That is 8 hours. That is the magic number. That is what every doctor recommends. That is what every wel...
My alarm used to go off at 6:30 AM. Every morning. Like a drill sergeant. Like a punishment. Like someone had decided that 6:30 AM was the right time ...
It is 90 minutes. That is what everyone says. That is what every sleep app tells you. That is what every blog post repeats.
Your eyes are moving rapidly beneath your eyelids. Your brain is as active as when you are awake. Your body is paralyzed. You are dreaming. And if som...
It was 9:47 PM on a Tuesday, and I was staring at my phone. Not working. Not reading. Just scrolling. Instagram. Twitter. Some article about a celebri...
It was 4:47 AM, and I was still awake. Not because I wanted to be. Because I had a grant deadline at 9 AM. Because I had procrastinated for three week...
It was 11:47 PM on a Tuesday, and I was finally hitting my stride. My inbox was empty. My grant proposal was polished. My thoughts were clear and crea...
My brother texted me at 11:47 PM on a Friday.
It was 8:47 PM on a Thursday, and Leo was negotiating. Again. He had already asked for water, a stuffed animal, one more story, and a detailed explana...
It was 3:14 AM. Again. I was awake. Not groggy. Not slowly surfacing from sleep. Wide awake. Alert. Annoyed. I had fallen asleep at 11:30 PM. So I had...
March 8, 2026. The clocks spring forward. You lose an hour of sleep. And your circadian rhythm is thrown into chaos. I have been through this 42 times...
Mark came to me in March. He had been working the night shift at a hospital in Denver for three years. He was 34 years old. He looked 45. He had dark ...
Your sleep tracker says you got 8 hours of sleep last night. But your deep sleep was only 47 minutes. You look at the number and wonder: is that enoug...
I am an idiot. I need to say that first. Because what I am about to tell you involves a PhD in behavioral neuroscience, twelve years of sleep research...
4:47 AM. That is when the alarm went off. Not because I wanted to wake up then. Because some influencer on Instagram told me that all successful peopl...
It was 2:47 PM on a Wednesday, and I was drinking my third cup of coffee. Not because I was tired. Because I was bored. Because I was procrastinating ...
It was 9:47 PM on a Friday in January, and the power went out. Not a flicker. A full blackout. The wind was howling at 65 miles per hour against the s...
Your alarm goes off at 6:30 AM. You hit snooze. You hit it again. By 7:15 you are finally upright, but your brain feels like it is wrapped in wet wool...
It was 11:47 PM on a Tuesday in January, and my thermostat read 74 degrees. Leo had kicked off his blanket for the third time. Mike was snoring like a...