https://sleepcup.com Evidence-based sleep optimization protocols and tools. https://sleepcup.com/ Clinical-grade sleep optimization. A precision-dosed compound targeting deep sleep, REM stability, and circadian alignment. Thu, 03 Sep 2026 01:20:27 GMT https://sleepcup.com/ https://sleepcup.com/shop/ Purchase Sleepcup formulation. Thu, 03 Sep 2026 01:20:27 GMT https://sleepcup.com/shop/ https://sleepcup.com/tools/temperature-minimum/ Your core body temperature hits its absolute minimum roughly 2 hours before your natural wake time.... Thu, 03 Sep 2026 01:20:27 GMT https://sleepcup.com/tools/temperature-minimum/ https://sleepcup.com/tools/glycine-dose/ Scale the standard 3g clinical dose of Glycine based on total body mass in kg.... Thu, 03 Sep 2026 01:20:27 GMT https://sleepcup.com/tools/glycine-dose/ https://sleepcup.com/tools/chronotype/ Determine your biological clock and optimal sleep window based on your natural waking times.... Thu, 03 Sep 2026 01:20:27 GMT https://sleepcup.com/tools/chronotype/ https://sleepcup.com/tools/caffeine-clearance/ Manual calculation: Caffeine has a half-life of 5 hours. Mul Thu, 03 Sep 2026 01:20:27 GMT https://sleepcup.com/tools/caffeine-clearance/ https://sleepcup.com/tools/atonia-model/ Model muscle paralysis density across standard 90 minute sleep cycles.... Thu, 03 Sep 2026 01:20:27 GMT https://sleepcup.com/tools/atonia-model/ https://sleepcup.com/tools/rem-calculator/ Input total sleep hours to model expected REM accumulation. REM periods lengthen throughout the nigh... Thu, 03 Sep 2026 01:20:27 GMT https://sleepcup.com/tools/rem-calculator/ https://sleepcup.com/tools/ Clinical tools. Thu, 03 Sep 2026 01:20:27 GMT https://sleepcup.com/tools/ https://sleepcup.com/tools/melatonin-timing/ Dim Light Melatonin Onset (DLMO) is the point your brain begins producing endogenous melatonin. Inpu... Thu, 03 Sep 2026 01:20:27 GMT https://sleepcup.com/tools/melatonin-timing/ https://sleepcup.com/tools/sleep-debt-calculator/ Manual calculation: Ideal sleep (8h) minus actual sleep over Thu, 03 Sep 2026 01:20:27 GMT https://sleepcup.com/tools/sleep-debt-calculator/ https://sleepcup.com/tools/sleep-efficiency/ Calculates the ratio of time spent asleep vs time spent in bed. >85% is clinically normal.... Thu, 03 Sep 2026 01:20:27 GMT https://sleepcup.com/tools/sleep-efficiency/ https://sleepcup.com/tools/hydration-clearance/ Model fluid clearance times to prevent nocturnal awakenings (nocturia) disrupting sleep architecture... Thu, 03 Sep 2026 01:20:27 GMT https://sleepcup.com/tools/hydration-clearance/ https://sleepcup.com/science/deep-sleep/ NREM Stage 3 is characterized by delta waves (0.5-2 Hz). It is the most restorative phase of sleep f... Thu, 03 Sep 2026 01:20:27 GMT https://sleepcup.com/science/deep-sleep/ https://sleepcup.com/science/sleep-architecture/ Clinical breakdown of NREM and REM. Thu, 03 Sep 2026 01:20:27 GMT https://sleepcup.com/science/sleep-architecture/ https://sleepcup.com/science/circadian-rhythm/ Clinical overview. Thu, 03 Sep 2026 01:20:27 GMT https://sleepcup.com/science/circadian-rhythm/ https://sleepcup.com/science/rem-sleep/ The phase of active dreaming characterized by EEG patterns similar to waking states and complete phy... Thu, 03 Sep 2026 01:20:27 GMT https://sleepcup.com/science/rem-sleep/ https://sleepcup.com/science/ Clinical literature. Thu, 03 Sep 2026 01:20:27 GMT https://sleepcup.com/science/ https://sleepcup.com/ingredients/l-theanine/ An amino acid found primarily in green tea that increases GABA levels and generates alpha brain wave... Thu, 03 Sep 2026 01:20:27 GMT https://sleepcup.com/ingredients/l-theanine/