008: Vitals - How to Fall Asleep Fast: My 15-Minute Executive Sleep Protocol

Note: This post contains affiliate links to some of the products I use in the Lab. If you make a purchase through these links, I may earn a small commission at no extra cost to you. I only highlight products that are a core part of my actual routine.

The 15-Minute Protocol That Beats the 90-Minute Ritual

Roughly 50% of Americans are running a magnesium deficit. Sleep disruptions cost executives an estimated $2,000 a year in lost productivity. And 46% of executives admit they're operating below peak performance because they're not sleeping well.

I used to be in that statistic. Then I built a 15-minute protocol that helps me fall asleep fast and wake up sharp — and my Oura ring data backed it up.

Four steps. Simple. Repeatable.

Perfection is a productivity killer, and elaborate isn't sustainable.

No expensive app subscriptions. No $300 supplements. One of my favorites costs less than a dollar a night.

Stick with me until the end of the blog, because I'll also share the zero-cost sleep aid that's always on my nightstand and travels everywhere with me.

Why Sleep Is Pillar 3 — The Nightly Reboot

This post is part of the ASSETS series: six foundational pillars for executive health covering Activity (steps), Strength, Sleep, Equilibrium (stress), Total Energy (calories), and Sustenance (protein).

In the last post, we covered Strength — the long-term build. Today is the nightly reboot that makes that build possible.

Strength starts with sweat. But it repairs with rest.

For years, I treated sleep as the variable I'd "catch up on" — on the weekend, on vacation, on the next quiet Sunday. The problem is, sleep doesn't work like a credit card. You can't pay back what you didn't deposit. Deep sleep — the body's ultimate repair cycle — front-loads in the first half of the night. Miss that window because you're replaying a tough meeting in your head, and you can't make it up at 6 AM.

What follows are the four non-negotiables I do every night that take a total time investment of just 15 minutes. Because simple done right every night beats elaborate executed occasionally.

Step 1: The "Passive Heating" Protocol — A Hot Shower 1–2 Hours Before Bed

Deep sleep is your body's ultimate repair cycle, and it heavily front-loads in the first half of the night. The trigger? A drop in core body temperature acts as your biological switch for sleep.

After a sleepless night and some Google searches, I learned about something called "passive body heating." A hot shower an hour or two before bed pushes blood to your hands and feet, which drops your core temperature — and signals your brain to power down.

We run our businesses on data. Let's do the same for our biology. Research tells us optimal deep sleep should be roughly 13–23% of the night, which works out to about 55–110 minutes for someone sleeping 7–8 hours.

When I checked my Oura ring data, my baseline wasn't even hitting the minimum.

Taking a hot shower to cool down felt counterintuitive — so I tested the protocol. The metrics proved the effectiveness: the heat from my nighttime shower meaningfully improved my deep sleep numbers within weeks. The shower itself takes 5 minutes. The cooldown happens passively while I finish dinner with my family or read a book. Zero added time to the day. Better deep sleep.

Shorting sleep is biological bankruptcy. It's a debt you simply cannot repay the next morning.

Step 2: Magnesium. Every Night.

Magnesium is the engine behind 300+ enzymatic reactions in the body. And yet research tells us roughly 50% of Americans ingest less dietary magnesium than their baseline daily requirement.

There are many options for supplementation, but I've found magnesium glycinate to be highly bioavailable — meaning it's absorbed efficiently through the small intestine.

Quick disclosure: I'm a proud Thorne ambassador, and I’m happy to share my affiliate link. But I didn't start taking this because of a partnership. I'm an ambassador because I've been buying Thorne magnesium regularly. It's what's actually in my pantry.

I take it every single night after my warm shower. That's the timing that works for me.

Between lifting heavy weights in the gym and making heavy decisions in the office, I can feel my body burning through resources during the day.

Magnesium replenishment takes less than ten seconds at the end of the night — and it's how I close the daily deficit before sleep.

There are no magic pills here. Just research, data, and N-of-1 experimentation.

Brilliance is the boring basics, executed consistently.

Two down. Shower. Magnesium. Now the three items that level up my sleep and make me feel better in the morning — including the one I proved my dentist wrong on.

Step 3: The Sensory Shutdown — Three Tools That Don't Need a Charger

Light exposure during sleep — even small amounts — has been shown to disrupt sleep architecture. Even closed eyelids aren't a complete light barrier. Total darkness isn't a preference. It's a measurable biological upgrade.

My personal sensory shutdown requires three items.

First, an eye mask. I prefer silk masks because they feel cool against the skin and don't tug at the delicate skin around the eyes. There are a vast number of reasonably priced options online - and some of the nicer ones can last for years.

Second, soft foam earplugs. Honestly, my husband doesn't even snore. I'm just hyper-sensitive to noise, and avoidable sleep interruptions lead to miserable morning meetings.

Third — saving the best for last — a custom night guard. It's a non-negotiable for my clenching jaw. I can't even blame this one on work. My clenching started in grad school and never went away. Fun fact: the dentist told me my night guard was indestructible. Wrong. I'm on my third one.

I'm not going to pretend this is a glamorous routine. Sliding into bed wearing a mask, earplugs, and a mouthguard is not a trending aesthetic. At least my husband is rocking the same look, so I'm not the odd one out.

These three items are always fully stocked in my bedroom. None of them require batteries. None of them sync to an app. They just work.

The best sleep tech doesn't need a charger.

Step 4: Delta Waves — The Zero-Cost Sleep Aid I Promised at the Top

Here's the one I teased in the intro. Once I'm in bed — mask on, earplugs in, guard placed — I queue up delta waves on my phone.

Delta waves are the brain's slowest rhythms. A quick Google search will detail how they mark deep sleep and are associated with restorative rest that heals body and mind. We can't directly control our brain's rhythms, but we can support the conditions for delta wave activity. The research is still emerging, but for me, relaxation strategies — including listening to delta waves as I sink into the mattress — have markedly improved my overnight reset.

There are a variety of free resources online. I use an app that plays ethereal, dreamy ambient sounds. I switch my phone to airplane mode and place it screen-side down. Volume low — though I can still hear it through my earplugs.

I usually set a 45-minute timer, and my mind shuts off before the playlist does.

The zero-cost version: search "delta waves sleep" on your app of choice. There are hundreds of free hours of content. No subscription required. The execYOUtive's free sleep aid.

Why a 15-Minute Protocol Beats a 90-Minute Routine

Whether the four steps are spread out or back-to-back, the total time investment is 15 minutes. Shower. Magnesium. Sensory shutdown. Delta waves. Done.

The simplest steps compound the quickest.

For a while I thought the answer to better sleep was a longer wind-down. Higher-end products. A more elaborate ritual. But in reality, complexity is fragile. Simplicity wins.

A 90-minute routine looks great on the internet. It collapses under the weight of a demanding calendar.

A 15-minute protocol survives the chaos. And those hard weeks are exactly when you need your recovery the most.

Four Common Questions (And the Honest Answers)

Before we close out, four questions from women exactly like us. You might be wondering the same things.

"I genuinely don't have time for a hot shower 1–2 hours before bed. By the time the kids are down and I've answered my last Slack message, I'm ready to pass out."

I completely understand, and let me say this: the protocol is a principle, not a prescription. Do what works for your schedule. One option: shift the shower to immediately after dinner, before bedtime routines start, so the cooldown window lands exactly when you're climbing into bed. Remember that roughly right beats exactly wrong.

"You mentioned deep sleep percentages. How do I know what mine is if I don't wear an Oura ring?"

Honest answer: without a wearable, you don't, precisely. But there are proxies. How's your energy midday? If you need caffeine after lunch, maybe your overnight recovery could use a boost. How fast do you fall asleep? Twenty minutes is normal. Under five suggests you're running a sleep debt. Over forty-five suggests your wind-down isn't working. And how do you feel the morning after a glass of wine? If you feel dramatically different, your sleep quality has more headroom than you realize. You don't need a ring to start the protocol — but if you like data, the Oura ring has been worth it for me. I am sharing my Oura ring affiliate link in case it’s helpful, but again - you don’t need a smart device to start the protocol.

"What if I wake up at 2 AM with a racing mind? The protocol gets me to sleep but doesn't keep me there."

This could be its own video. I've heard everything from a small protein-and-fat snack before bed, to a spoonful of honey when you wake up, to keeping a notepad by your bed to park the thoughts that wake you. I hear this question often enough that we'll cover it in depth in a future episode.

"Is the night guard really necessary? I don't think I clench, but I'm not sure."

Many people who clench don't know they clench — they find out from a dentist, a partner, or once they start experiencing chronic jaw soreness. If you wake up with jaw pain, get fitted for a custom guard through your dentist. If not, you don't need the expense — and I'm genuinely happy for you.

You Can't Finance Tomorrow's Focus on Bankrupted Sleep

Here's what I've come to realize after years of tracking my sleep with an Oura ring 24/7.

I used to think recovery happened on the margins — weekends, vacations, the rare Sunday afternoon. That model is broken. Sleep is the daily deposit. Strength training builds muscle, but sleep is when the repair actually happens. Stress management protects your nervous system during the day, but sleep is when it resets. Every other pillar in the ASSETS framework depends on this one.

You can't finance tomorrow's focus if you're bankrupting tonight's sleep.

That's the bottom line.

Boring + Consistency = Results.

A 15-minute protocol, executed every night, beats a 90-minute ritual executed three times a month. The simple thing, done consistently, beats the elaborate thing done occasionally. Every time.

Your Next Move (One Decision in the Next 24 Hours)

Don't try to implement all four steps tonight. Be kind to yourself. Pick one.

If you don't have a hot-shower habit before bed, start there. Tomorrow night, shower 1–2 hours before lights-out. That's it. One change. One data point. See how you feel Saturday morning.

If you already shower at night but aren't supplementing magnesium, consider adding that to your routine if it feels right to you. You can order a bottle this week. Take it after your shower.

If both of those are already locked in, build the sensory shutdown kit. Eye mask, earplugs, and (if your dentist has flagged clenching) a night guard.

One change at a time. Stack the next when the first is automatic.

If you want the bigger picture — a one-page self-audit across all six ASSETS pillars so you can see exactly where you're optimized and where you have biological liabilities — the free ASSETS Audit is linked below. Rate yourself on Activity, Strength, Sleep, Equilibrium, Total Energy, and Sustenance. Find your lowest score. That's your red light. The audit gives you one green light move to make in the next 24 hours.

Because you can't lead from empty.

When you're optimized, everyone wins.

• Grab the free ASSETS Audit

• Watch the full video: "How to Fall Asleep Fast: My 15-Minute Executive Sleep Protocol"

• Up next in the ASSETS series: Equilibrium — the daytime reset most executives never give their nervous system

Alysia Bell is the founder of All Green Lights CEO. She's tracked her nutrition for ~4,000 consecutive days, wears an Oura ring 24/7, and is obsessed with the realistic applications of biohacking for women executives with compressed timelines.

FAQ

Q: How much sleep do I actually need as a busy executive over 40?

A: The consensus range remains 7–9 hours for most adults, with deep sleep occupying roughly 13–23% of that total. "Catching up on weekends" is a myth — sleep debt accumulates faster than it can be repaid. Consistency of bedtime and wake time matters as much as total duration.

Q: Does magnesium glycinate actually help with sleep, or is it just hype?

A: Magnesium is involved in 300+ enzymatic processes, including those that regulate the nervous system and muscle relaxation. Roughly half of Americans don't meet the daily requirement through diet alone. Glycinate is one of the most bioavailable forms — meaning your body actually absorbs and uses it. I take it nightly. As always, consult your physician before starting any supplement, especially if you take prescription medications.

Q: What's the difference between deep sleep and REM sleep, and why does it matter?

A: Deep sleep (slow-wave sleep) is when your body does its physical repair — muscle recovery, immune function, hormone regulation. REM sleep is when your brain consolidates memory and processes emotion. Both matter. The protocol in this post primarily is focused on supporting deep sleep, which front-loads in the first half of the night.

Q: I travel constantly. How do I maintain a sleep protocol on the road?

A: This is exactly why I built the protocol around portable tools. My silk eye mask, earplugs, magnesium, and night guard fit in a single travel pouch. The hot shower works anywhere with hot water. Delta wave tracks are available offline on most apps. The protocol travels because nothing in it requires a specific location.

Q: Can I do this protocol if I'm pregnant, breastfeeding, or have a medical condition?

A: Always consult your healthcare provider before starting any new supplement or protocol during pregnancy or breastfeeding. The non-supplement elements — such as sensory shutdown and delta waves — are generally low-risk, but as always, run protocols by your physician first (and if you’re expecting, congratulations!)

Sources referenced: research on magnesium intake and deficiency in U.S. adults, sleep architecture and deep sleep percentages, passive body heating and sleep onset, light exposure and sleep quality, and delta wave activity during deep sleep.

The N-of-1 Disclaimer:

I am an executive and a mom, not a doctor or medical professional of any sort. The content shared here—including biometric data, protocols, and "Vitals" — is for informational and experimental purposes only. It is a documentation of my personal journey and should not be taken as medical advice. Always consult with a qualified healthcare professional before making changes to your health, diet, or supplement routine.