Trouble falling asleep ≠ Trouble staying asleep.

Trouble falling asleep ≠ Trouble staying asleep

October 13, 2026•4 min read

Can't Fall Asleep vs. Waking Up at 2 AM?

Let's Talk About It.

Ever feel exhausted all day, crawl into bed ready to sleep… and suddenly your brain decides it's the perfect time to replay every conversation you've ever had?

Or maybe falling asleep isn't the problem. You drift off just fine, only to wake up at 2 a.m. staring at the ceiling, wondering why you're suddenly wide awake.

Here's something worth knowing: difficulty FALLING asleep and difficulty STAYING asleep can have different underlying contributors.

And understanding what might be affecting your sleep is the first step toward making more informed changes to your routine.

Trouble falling asleep ≠ Trouble staying asleep

Let's break it down!

😵‍💫 STRUGGLING TO FALL ASLEEP?

You might be wired, not just tired.

Your body follows a natural 24-hour rhythm that helps regulate hormones, body temperature, alertness, and sleep.

One important player? Cortisol.

Cortisol typically rises around the time you wake up, helping you feel alert, and declines throughout the day, reaching relatively low levels around the beginning of the night.

But when stress, irregular sleep schedules, or other factors keep your body in a heightened state of alertness, winding down can become more difficult.

Researchers studying insomnia have observed associations between sleep difficulties, physiological hyperarousal, and changes in cortisol regulation.

What might help?

  • Get natural morning light to reinforce your sleep-wake rhythm.

  • Set a caffeine cutoff that gives your body enough time to wind down.

  • Dim the lights and reduce stimulating screen time before bed.

  • Create a consistent wind-down routine that signals to your body that the day is over.

And remember: difficulty falling asleep doesn't automatically mean you have a hormone imbalance. Stress, anxiety, medications, sleep habits, and other factors can all play a role.

🌙 WAKING UP IN THE MIDDLE OF THE NIGHT?

Let's talk about blood sugar.

Your body continues regulating blood glucose while you sleep. Hormones, liver glucose production, and insulin all help maintain the energy your body needs overnight.

In certain circumstances, blood glucose fluctuations — particularly actual hypoglycemia — can trigger a stress response that disrupts sleep.

This is especially relevant for people taking glucose-lowering medications or managing diabetes. However, waking up at 1–3 a.m. doesn't automatically mean your blood sugar is dropping.

Other common contributors include alcohol, stress, hormonal changes, temperature, sleep apnea, and normal sleep-stage transitions.

What might be worth experimenting with?

If you regularly go to bed hungry, eat very little during the day, or train hard without adequately refueling, take a closer look at your overall food intake.

Try:

  • Eating balanced meals consistently throughout the day.

  • Including protein, carbohydrates, and healthy fats in your meals.

  • Refueling appropriately after challenging workouts.

  • Noticing whether alcohol, late meals, or going to bed hungry coincides with restless nights.

A few balanced snack ideas if you're genuinely hungry before bed:

  • Greek yogurt with berries

  • Apple slices with nut butter

  • Cottage cheese with fruit

  • Whole-grain toast with an egg

You don't need to eliminate carbohydrates before bed! Research on meal timing and sleep is mixed, and carbohydrates can be part of a healthy evening meal.

✨ THE BIGGER PICTURE: YOUR SLEEP IS A CLUE, NOT A DIAGNOSIS.

struggle to FALL asleep

struggle to STAY asleep

You might be “wired.” Your nervous system may still be ON.

Your cortisol (primary stress hormone) should: ⬆️ Peak in the morning, then ⬇️ gradually decline all day (i.e.: should be lowest around midnight)

Could be blood sugar regulation related.

Overnight, blood glucose naturally dips. If it drops too low, your body releases cortisol & epinephrine (adrenaline) to raise it back up! That surge can wake you up.

Most common if you under-eat during the day, train hard but don’t refuel, drink alcohol at night, etc.

I always encourage my clients to get curious rather than immediately assume something is wrong.

Instead of jumping to supplements, cutting out food groups, or blaming your hormones, start by noticing your patterns.

Perhaps you keep a simple sleep journal for the next 7 days. Jot down:

  • What time you went to bed and woke up

  • Whether you struggled to fall asleep or stay asleep

  • Your caffeine and alcohol intake

  • Your meals, evening snacks, and workout intensity

  • Your stress levels and how rested you felt the next morning

You may begin to notice patterns that help guide your next steps.

Your goal isn't perfect sleep every night. It's learning what helps YOUR body feel rested, recovered, and ready for the day ahead.


Suggested research references

Want to dive deeper? here are some sources I recommend checking out:

  1. 1. Insomnia and cortisol: Vgontzas AN et al. (2001). Chronic insomnia is associated with a shift of interleukin-6 and tumor necrosis factor secretion from nighttime to daytime. Journal of Clinical Endocrinology & Metabolism. Find the study on PubMed

  2. The hyperarousal model of insomnia: Riemann D et al. (2010). The hyperarousal model of insomnia: A review of the concept and its evidence. Sleep Medicine Reviews. Find the review on PubMed

  3. Sleep and glucose regulation: Van Cauter E, Spiegel K, Tasali E, Leproult R. (2008). Metabolic consequences of sleep and sleep loss. Sleep Medicine. Find related research on PubMed

  4. Evidence-based treatment for persistent insomnia: Edinger JD et al. (2021). Behavioral and psychological treatments for chronic insomnia disorder in adults: An American Academy of Sleep Medicine clinical practice guideline. Journal of Clinical Sleep Medicine. Read the guideline

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