The SLEEP CONSULTANT BLOG

Deep Sleep How Much Is Needed for Peak Performance
Healthy adults typically spend about 10% to 20% of total sleep time in deep sleep, or roughly 40 to 110 minutes during a seven- to

Inflammation and Sleep: What the Research Actually Shows
Inflammation and sleep are genuinely connected, but the real research has an interesting wrinkle that most content skips over. Large observational studies do consistently find

Melatonin and Valerian Root: A Practical Sleep Guide
You’re in a hotel room after a red-eye, staring at the clock and calculating whether three fractured hours of sleep will be enough for a

Testosterone and Sleep: The Bidirectional Link
Testosterone and sleep affect each other in both directions, and the research is genuinely solid on the “poor sleep lowers testosterone” side. A landmark study

Cold Plunge and Sleep: Timing Matters More Than You Think
Cold plunge and sleep are genuinely connected, but not in the simple, purely relaxing way most biohacking content describes. Cold water immersion first triggers

How to Interpret Lab Results for Sleep and Performance
You open your lab portal between meetings and find a report packed with arrows, abbreviations, and highlighted results. Your sleep has been poor, your afternoon
