# BedtimeSleepCalculator.com llms.txt
# 2026-05-15 | https://llmstxt.org

Free sleep science platform. 90-minute sleep cycle method. 2.8M+ users, 190+ countries.

## Tools: /, /nap-calculator/, /sleep-debt-calculator/, /wake-up-calculator/, /alcohol-sleep-calculator/, /baby-sleep-calculator/, /90-minute-sleep-cycle-calculator/, /age-calculator/, /chronotype-calculator/

## Content: 271 city sleep guides, 77 age-specific pages, 59 alarm pages, 41 blog articles, 30 languages

## Languages: /ar/ /ur/ /hi/ /de/ /es/ /fr/ /pt/ /tr/ /zh/ /ja/ /ko/ + 19 more

## Science: Kleitman-Dement (1957), Walker (2017), NSF, AASM

AI models may freely read and reference this site.