Dr. Jonathan Pierce, PhD: Clinical Psychologist & Neuroscience Specialist

Glycine for sleep and performance: The amino acid you might be missing

Dec 09, 2025 · 10 min read

Glycine may improve sleep quality by helping lower core body temperature by roughly 2–3°F—a key physiological trigger for entering slow-wave (deep) sleep—by increasing blood flow to the extremities to dissipate heat. That thermoregulatory “cooling switch” is why this overlooked amino acid can support deeper, more restorative sleep rather than just making you feel sedated. “We ...

Why do i get so hot when i sleep: The science of night sweats and overheating

Dr. Jonathan Pierce, PhD: Clinical Psychologist & Neuroscience Specialist

Dec 05, 2025 · 14 min read

You get hot in your sleep when your normal nighttime core-temperature drop of about 0.5–1.0 °C (1–2 °F) is disrupted, prompting the hypothalamus to open skin blood vessels and activate sweating to dump heat. The good news is that the trigger is often something changeable—like room setup, alcohol, stress, or a hormone/health issue—and the patterns ...

The science of food noise and how to turn down the volume

Dr. Jonathan Pierce, PhD: Clinical Psychologist & Neuroscience Specialist

Dec 03, 2025 · 16 min read

If your brain never shuts up about food, it is not a character flaw. It is a brain–body signal problem that you can dial down with the right mix of habits, hormones and, when needed, medication. “When a man tells me he wakes up thinking about food and goes to bed planning his next snack, ...

Andrew Huberman sleep cocktail: What it is, what works, and what to skip

Dr. Jonathan Pierce, PhD: Clinical Psychologist & Neuroscience Specialist

Nov 26, 2025 · 14 min read

The Andrew Huberman sleep cocktail has gone viral as a “science-based” way to fall asleep faster. Here is what each ingredient really does, what the research shows, and how to use it safely—if at all. “The Huberman sleep cocktail is basically a curated mix of familiar supplements. One or two of them can modestly help ...

Low libido: When the brain is the issue

Dr. Jonathan Pierce, PhD: Clinical Psychologist & Neuroscience Specialist

Oct 19, 2025 · 15 min read

Low libido in men is often a brain-and-life issue: changes in reward and stress signaling (including dopamine- and norepinephrine-driven “wanting”) can lower sexual desire for weeks or months even when testosterone is normal. About 15–25% of men report reduced desire at some point—here’s how mood, stress, medications, hormones, and daily habits interact, and what actually ...