For years, I wore sleep deprivation like a badge of honor. “I only need four hours,” I’d tell people, as if running on fumes made me some kind of productivity superhero.

Then I had kids and realized that “sleeping when they sleep” is the cruelest joke ever told to new parents. Caius would finally drift off, and I’d lie there staring at the ceiling, too wired to actually rest.

That’s when I learned that everything I thought I knew about sleep was wrong.

Sleep isn’t lazy—it’s strategic

I used to think sleep was for quitters. Successful people grind 24/7, right? Turns out, that’s the fastest way to sabotage everything you’re working toward.

A 2013 Northwestern University study found that the less sleep you get, the shorter your workouts are the next day. Your brain literally says “nope” to exercise when you’re running on empty.

Dr. Cathy Goldstein from the University of Michigan puts it perfectly: nobody feels like hitting the gym when they’re exhausted. Your motivation tanks, and even if you force yourself to work out, you won’t get the same benefits.

Sleep deprivation makes you eat like a toddler

When I’m sleep-deprived, my food choices become embarrassing. Last week, after a particularly rough night with Caius, I ate cereal for dinner and called it “protein and carbs.”

There’s actual science behind this. Poor sleep messes with two key hormones: leptin (which tells you you’re full) and ghrelin (which makes you hungry). When you’re tired, leptin drops and ghrelin spikes, so you’re constantly hungry and nothing satisfies you.

Plus, night owls are way more likely to raid the pantry at 10 PM or hit the drive-through on the way home. Those late-night snacking sessions can undo an entire day of good choices.

Tired brains make terrible decisions

Every parent knows this: when you’re sleep-deprived, your judgment goes out the window. You find yourself yelling about shoes that are exactly where they should be, or agreeing to things you’ll regret tomorrow.

The same thing happens with health goals. One beer becomes three. Skipping one workout becomes skipping the whole week. That “just one slice” of birthday cake becomes half the cake.

Your willpower is like a muscle—it gets weaker when you’re tired. Sleep gives it time to recharge.

The weight connection is real

Multiple studies link poor sleep to weight gain, though researchers are still figuring out exactly why. What we do know is that sleep affects your ability to maintain healthy habits.

When you’re well-rested, meal prep doesn’t feel impossible. Exercise feels doable. Making good choices feels natural instead of like climbing Mount Everest.

Your muscles actually grow while you sleep

Here’s the part that blew my mind: your body does most of its repair work while you’re sleeping. Growth hormone gets released during deep sleep to rebuild muscle tissue, strengthen bones, and boost your immune system.

All those workouts you’re doing? They’re basically pointless if you’re not sleeping enough for your body to actually adapt and get stronger.

What good sleep hygiene actually looks like

After months of trial and error (and way too much coffee), here’s what works in our house:

Fixed wake-up time, even on weekends. Yes, this sucks at first. But your body craves consistency more than extra sleep on Saturday.

Make sleep non-negotiable. I used to skip sleep to work out, socialize, or catch up on emails. Now I protect my sleep like I protect my kids’ nap times.

Gradual changes only. If you’re used to going to bed at midnight, don’t suddenly try for 9 PM. Move it back 15 minutes every few nights.

No naps. This one kills me because naps feel so good, but they mess with nighttime sleep.

Invest in your sleep environment. Good mattress, cool room, blackout curtains. If you’re going to spend a third of your life somewhere, make it comfortable.

The bottom line

Sleep isn’t the enemy of productivity—it’s the foundation. When you’re well-rested, everything else gets easier. You have more energy for workouts, make better food choices, and actually enjoy time with your family instead of just surviving it.

I’m still not perfect at this. Some nights, life happens. But now I prioritize sleep like I prioritize everything else that matters.

Because being a tired, cranky parent who’s “getting things done” isn’t actually getting anything meaningful done at all.

— Derek

To your health!

Derek Opperman
Chief Wellness Officer at LifeUP

“I help parents reclaim their energy — not just physically, but emotionally too. Because when you feel better, everything in your life lights up: your parenting, your patience, your purpose. My approach is about small changes that ripple out into big transformation.”