Free, science-backed sleep tools — no sign-up, no tracking, no ads (yet).
GoodSleep was built with one simple goal: help everyone sleep better. We believe that understanding your sleep is the first step to improving it — and that the best tools should be free and accessible to everyone.
Every calculator, quiz, and guide on this site is grounded in peer-reviewed sleep science from institutions like the National Sleep Foundation, the American Academy of Sleep Medicine, and the Sleep Research Society.
Find the perfect bedtime or wake-up time based on 90-minute sleep cycles.
Optimal nap durations to boost energy without grogginess.
Science-backed sleep recommendations for every age group.
Track your weekly sleep deficit and learn how to recover.
Discover your biological sleep type — lion, bear, wolf, or dolphin.
Create a personalized 7-day sleep routine based on your lifestyle.
Our content draws from established sleep research, including:
Have questions, feedback, or suggestions? We'd love to hear from you. Visit our contact page to get in touch.
Discover all the sleep tools GoodSleep has to offer