Is That Sleeping Pill Making You Sleepier?

Most common sleep aids make you sleep longer but not better because they sedate the brain instead of supporting its natural sleep architecture. They usually blunt deep and REM sleep, disrupt normal chemistry, and hang around into the next day - so you wake up groggy, cognitively dull, and more dependent on the pill than before. Even if you feel like you slept well, your brain is likely living a different reality. Here's why that happens and how our doctors recommend getting both deep and restorative sleep - without melatonin or a prescription.

First, let's talk about what NOT to do:

Sedation ≠ Restorative Sleep

Many hypnotics (like “Z‑drugs” and older sedatives) and antihistamine‑based sleep aids primarily do this:

• Overactivate GABAergic inhibition or block histamine (H1) receptors.

• Rapidly shut down wake‑promoting circuits so you lose consciousness.

The problem: sedation compresses or alters deep and REM sleep. EEG studies show that some drugs reduce slow‑wave and REM intensity, even if total sleep time goes up. That’s why people report:

• Next‑day grogginess and “hung‑over” feeling.

• Poor memory and mental sharpness.

• Needing caffeine just to functional, which then disrupts that night’s sleep and perpetuates the cycle.

With our stack, coffee becomes a treat, not a necessity.

Long Half‑Life = Morning Hangover

A lot of sleep medications have long half‑lives - especially if they advertize the ability to help you "Stay Asleep". Because if this, they are still be active when your alarm goes off, so your brain is chemically pulled toward sleep while you’re trying to wake.

Common residual effects:

• Feeling drowsy, groggy, or “heavy” the next day.

• Slowed reaction time and attention.

• Impaired driving and work performance.

Hormone Dysregulation + REM Disruption

Melatonin can be powerful when used precisely, but excessive or poorly timed dosing can:

• Overshoot physiological melatonin levels.

• Shift or fragment circadian rhythm.

• Disrupt REM timing and coherence.

That’s the classic story of “I slept eight hours but feel worse” - sleep quantity without high‑quality sleep architecture.

What You Need from a Sleep Stack

An ideal sleep support strategy should:

• Help you fall asleep faster without sedation

• Preserve or enhance slow‑wave and REM sleep

• Support a clean transition into wakefulness, with less morning fatigue

• Work with your neurotransmitters, circadian rhythm, and cellular health

That’s the philosophy behind Dr. Gildea’s recommended Sleep Stack: 3 g glycine 30–60 minutes before bed, plus 2 capsules of SleepElite 1–2 hours before bed.

Dr. Gildea’s Sleep Stack

Step 1: 3 g Glycine Before Bed

Glycine is a simple amino acid that behaves as a neuromodulator. Several human trials show that 3 g of glycine at bedtime:

• Shortens sleep‑onset latency.

• Increases slow‑wave (deep) sleep and often REM duration.

• Improves sleep efficiency (more of your time in bed is actual sleep).

• Reduces next‑day fatigue and improves reaction time and cognitive performance.

Mechanisms:

• Acts as a co‑agonist at NMDA receptors in specific brain regions, helping fine‑tune sleep–wake transitions.

• Promotes mild body‑temperature reduction, which is a natural signal for sleep onset.

• Supports glutathione synthesis and methylation, beneficial for brain and metabolic health over time.

Clinically, glycine is unique because it improves sleep architecture and next‑day functioning rather than just knocking you out. We take Bulk Supplements as it was Consumer Labs' top recommendation for price and quality.

Step 2: SleepElite (2 capsules 1–2 hours before bed)

SleepElite combines a low‑melatonin, hormone‑friendly strategy (no melatonin added) with neurotransmitter, stress‑axis, methylation, and cellular support. Each capsule contains:

• Broccoli Seed Complex 150 mg

• Berberine 150 mg

• 5‑HTP 50 mg

• L‑Tryptophan 50 mg

• Ashwagandha 100 mg

• Vitamin B6 (as P5P) 25 mg

• Betaine Anhydrous (TMG) 50 mg

Each component contributes to sleep and next‑day function. Here's how:

How SleepElite Works

Broccoli Seed Complex (Stabilized Sulforaphane “Cousins”)

The proprietary Broccoli Seed Complex delivers sulforaphane and structurally related isothiocyanates.

Mechanisms:

• Activates Nrf2, turning on a network of antioxidant and detox genes.

• Reduces oxidative stress and inflammation, both of which impair sleep quality and recovery.

• Enhances cellular resilience and mitochondrial function, which can improve next‑day energy and mental clarity.

In SleepElite, the complex is also formulated to enhance bioavailability of the stack—helping other ingredients get into cells more effectively.

Berberine (150 mg)

Berberine is a plant alkaloid with wide metabolic and neurochemical impact. A study even shows it can outperform Valium as a sleep aid!

Sleep‑relevant mechanisms (at this dose and timing):

• Improves glucose handling and insulin sensitivity, reducing nocturnal glucose swings that can fragment sleep.

• Modulates gut microbiota, indirectly influencing gut–brain signaling and mood.

• Has mild GABAergic and anti‑inflammatory effects in CNS models, which can support a calmer brain at night.

Lower doses in the evening (like 150 mg) aim more at smoothing metabolic and inflammatory noise than aggressive glucose lowering.

5‑HTP (50 mg) + L‑Tryptophan (50 mg)

These provide a two‑step substrate supply for serotonin synthesis.

• L‑tryptophan is the dietary precursor that crosses the blood–brain barrier and is converted to 5‑HTP.

• 5‑HTP is the immediate precursor to serotonin and bypasses one enzymatic bottleneck.

In the presence of adequate vitamin B6, these support:

• Increased evening serotonin, which calms the brain and supports sleep onset.

• Better melatonin synthesis from serotonin in the pineal gland, using the body’s own timing rather than external melatonin.

This approach gently supports your endogenous serotonin–melatonin axis instead of flooding the system with large hormone doses.

Vitamin B6 (Pyridoxal‑5‑Phosphate, 25 mg)

P5P is the active, coenzyme form of vitamin B6.

Key roles:

• Required cofactor for aromatic L‑amino acid decarboxylase, which converts 5‑HTP → serotonin.

• Cofactor in GABA synthesis from glutamate.

• Involved in methylation and homocysteine metabolism.

Without enough B6, 5‑HTP and tryptophan cannot efficiently become serotonin. Including P5P ensures the stack actually translates precursors into neurotransmitter action.

Ashwagandha (100 mg)

Ashwagandha is an adaptogenic herb with well‑documented HPA‑axis and stress‑modulating effects.

For sleep:

• Reduces perceived stress and cortisol in multiple trials, especially evening hyperarousal.

• Improves sleep onset, sleep quality, and morning refreshment in people with stress‑linked insomnia.

By calming the stress axis rather than sedating the cortex, ashwagandha supports a more natural descent into sleep and better resilience to stress the next day.

Betaine Anhydrous (TMG, 50 mg)

TMG is a methyl donor that remethylates homocysteine to methionine.

Relevance for sleep/mood:

• Supports methylation cycles, which are critical for monoamine neurotransmitter metabolism (serotonin, dopamine, norepinephrine).

• Helps maintain healthy homocysteine levels, which is beneficial for vascular and brain health.

• Complements the serotonin‑supportive ingredients by ensuring the broader biochemical environment (methylation) is not a bottleneck.

Together, P5P and TMG help keep neurotransmitter synthesis and breakdown balanced, which supports stable mood and less “wired but tired” physiology.

How This Stack Works Together

Instead of simply sedating, this stack:

• Encourages deeper, more efficient sleep via glycine’s effects on slow‑wave and REM sleep.

• Supports serotonin → melatonin production in physiologic timing, rather than dumping melatonin late at night.

• Calms stress and inflammation that can fragment sleep and drain next‑day energy.

• Supports methylation and neurotransmitter balance (P5P, TMG), making it less likely you’ll feel drained or foggy the next day.

Mechanistically, this is the opposite of most sleep aids, so it may take a few weeks of consistent use to switch your body over to a new normal, but in terms of sleep quality and brain health/longevity, it's well worth it.

Take it a Step Farther

Truly effective sleep hygiene starts first thing in the morning and has a lot to do with regulating two systems - nervous and circadian.

The good news is, these hacks are either free or very cheap.

1. Get natural light in your eyes within 30 minutes of waking up. If you wake before dawn, a 10k lumen light can substitute.
2. Avoid blue light after 4pm.
3. Vagus nerve stimulation. Here is our guide.
4. Use red light for nighttime light and wear blue light blocking glasses after sunset.
5. Try not to eat after sunset.
6. Take a 10 minute walk during sunset hours (ideally timed right after dinner).
7. Listen to our podcast on how to get good sleep!

References:

“Drugs for Sleep Disorders: Mechanisms and Therapeutic Prospects.” British Journal of Pharmacology, vol. 154, no. 2, 2008, National Center for Biotechnology Information, https://pmc.ncbi.nlm.nih.gov/articles/PMC1885116/.

“Inadequate Sleep and Sleep Aids.” NIOSH Training for Nurses on Shift Work and Long Work Hours, Centers for Disease Control and Prevention, 30 Apr. 2025, https://www.cdc.gov/niosh/work-hour-training-for-nurses/longhours/mod6/10.html.

“Increasing Sleep But Still Feeling Tired: Sleep Medications’ Effects.” Discover Magazine, 7 Nov. 2023, https://www.discovermagazine.com/what-science-says-about-using-sleep-medications-40268.

“Medications That Can Cause Fatigue and Drowsiness.” WebMD, 7 Oct. 2023, https://www.webmd.com/drugs/medications-fatigue-and-sleepiness.

“Melatonin Side Effects.” Sleep Foundation, 22 June 2022, https://www.sleepfoundation.org/melatonin/melatonin-side-effects.

“Residual Effects of Sleep Medications Are Commonly Reported and Associated with Self‑Reported Sleep Quality, Health, and Driving Risk.” Journal of Clinical Sleep Medicine, vol. 11, no. 4, 2015, National Center for Biotechnology Information, https://pmc.ncbi.nlm.nih.gov/articles/PMC4689974/.

“The Effects of Glycine on Subjective Daytime Performance in Partially Sleep‑Restricted Healthy Volunteers.” Frontiers in Neurology, vol. 3, 2012, https://www.frontiersin.org/articles/10.3389/fneur.2012.00061/full.

“What Is L‑Glycine?” Cadence, 5 Sept. 2024, https://us.usecadence.com/blogs/science/what-is-l-glycine.

“Master Glycine: Your Complete Sleep Quality Guide.” Wellbeing Nutrition, 29 Dec. 2025, https://wellbeingnutrition.com/blogs/sleep-stress-cognition/master-glycine-your-complete-sleep-quality-guide.

“SleepElite® – BrocElite – Mara Labs.” Mara Labs, 27 Feb. 2025, https://mara-labs.com/products/sleepelite