Tools to decode your sleep
Eight browser-based utilities to understand and improve your sleep. Each tool is built on sleep science research—no signup, no clutter.
Sleep and wind-down utilities
Use the tool that matches the exact job you need to do right now.
Calculadora de Ciclos de Sueño
Descifra tus ciclos de sueño. Encuentra horarios óptimos basados en la ciencia de los ciclos de 90 minutos.
Calculadora de Corte de Cafeína
Descubre cuándo dejar la cafeína para mejorar la calidad del sueño. Basado en la ciencia de la vida media.
Temporizador de Siesta
Descifra la ciencia de las siestas. Temporización basada en evidencia para evitar la inercia del sueño.
Sleep Debt Calculator
Track your weekly sleep deficit and get a personalized recovery plan.
Jet Lag Planner
Get a personalized light exposure schedule to adjust to new time zones faster.
Chronotype Quiz
Discover your sleep chronotype and ideal daily schedule in 2 minutes.
Ejercicio de Respiración
Guided breathing patterns to calm your nervous system before sleep.
Ruido Blanco y Sonidos para Dormir
Steady background sounds to mask disruptive noise and improve sleep quality.
Every tool is grounded in sleep research
DreamDecrypt tools translate peer-reviewed sleep science into practical utilities. From circadian rhythm research to caffeine pharmacokinetics, each feature is based on established scientific principles.
- • Sleep cycles: Based on the 90-minute ultradian rhythm research by Nathaniel Kleitman
- • Caffeine half-life: Uses 5-6 hour elimination pharmacokinetics from clinical studies
- • Chronotypes: Based on circadian phenotype research and the Munich Chronotype Questionnaire
- • Jet lag: Applies phase response curve (PRC) principles for circadian adjustment
Start with the tool that solves the immediate problem, then leave when you are done.
Open Sleep Calculator