🌍 Complete Sleep Resource Library

Sleep Health Hub

Every free sleep tool, city guide, and science resource in one place. No sign-up, no ads, no paywall — ever.

50+

Free tools

500+

City guides

2.8M+

Monthly users

4 Fiqh

Prayer methods

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Sleep Calculators

12 tools

Bedtime Calculator

Enter your alarm time and get cycle-aligned bedtimes based on 90-minute sleep science.

Sleep Quality Score

Rate your sleep 0–100 across 7 PSQI clinical domains. Get personalised improvement plan.

Power nap, coffee nap, 90-min full cycle. Find your exact wake-up time.

Sleep Pattern Analyzer

Hypnogram visualization, chronotype (lark/owl), social jet lag calculator and peak performance windows.

Caffeine Sleep Calculator

50+ drinks database, half-life decay chart, personalised cutoff time. Pharmacokinetics-based.

Sleep Debt Calculator

Calculate your accumulated sleep deficit and get a science-based recovery plan.

Children Sleep Calculator

Age-based sleep schedules for babies through teens. Nap times, bedtimes, developmental science.

Jet Lag Calculator

Beat jet lag with a personalised schedule based on your origin and destination time zones.

Chronotype Quiz

Are you a morning lark or night owl? Discover your sleep chronotype and optimal schedule.

BMI + Sleep Health

Calculate BMI with direct sleep health implications. Links to sleep apnea risk and recovery.

Shift Work Sleep

Sleep scheduling for night shifts, rotating shifts and irregular work schedules.

Vitamins for Sleep

Evidence-based supplement timing guide. Magnesium, melatonin, vitamin D, B12, zinc. Available in Urdu.

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Islamic Sleep Resources

9 guides

Fajr Sleep Guide

Cycle-aligned bedtimes before Fajr. All 4 fiqh: Hanafi, Maliki, Shafi'i, Hanbali.

Tahajjud Sleep Planner

Plan sleep cycles around Tahajjud and Fajr prayer for spiritual and physical recovery.

Ramadan Sleep Planner

Two-block sleep scheduling around Suhoor, Fajr, Tarawih and Isha during Ramadan.

Eid Prayer Sleep Guide

Cycle-aligned sleep before early Eid prayer for both Eid-ul-Fitr and Eid-ul-Adha.

Islamic Sleep Duas

Duas for sleeping, waking up and good dreams — with Arabic, transliteration and meaning.

Hajj & Umrah Sleep

Sleep management during Hajj and Umrah — compressed schedules, heat and time zone guidance.

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City Sleep Guides

500+ cities

Every city guide includes live prayer times (all 4 fiqh schools), Jumma times, halal food nearby, mosque map, real-time weather (72hr + 7-day), sunrise/sunset, sea temperature, Life Index and seasonal sleep guide.

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Modern Search — 4 Disciplines We Optimise For

BedtimeCalc is built across all four modern search disciplines simultaneously. This is why our tools rank in Google, answer voice queries, appear in AI overviews and are cited by ChatGPT and Perplexity.

SEO

AEO

GEO

AIO

What it is

Optimising for Google/Bing via technical SEO, keywords, backlinks

What it is

Optimising for voice search, featured snippets and conversational AI queries

What it is

Earning citations in ChatGPT, Perplexity, Google AI Mode and generative AI results

What it is

Managing AI crawler access and brand representation across all AI models

How we do it

Technical audits, structured schema, 500+ city pages, sitemap, HTTPS, Core Web Vitals

How we do it

FAQPage schema on every page, conversational answers under 40 words, natural language

How we do it

Deep topical authority, entity optimisation, peer-reviewed citations, original data

How we do it

Permissive robots.txt for AI crawlers, clean structured markup, brand consistency

Risk if ignored

Zero organic traffic

Risk if ignored

Invisible to voice and featured snippets

Risk if ignored

Competitors cited by AI, not us

Risk if ignored

AI misrepresents or ignores brand entirely

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Sleep Health Conditions

9 guides

Sleep Apnea Guide

Symptoms, risk factors, treatment options and sleep optimisation for sleep apnea.

CBT-I based approach to insomnia. Sleep restriction, stimulus control and sleep hygiene.

Anxiety & Sleep

Science-based techniques for anxiety-driven insomnia. Racing thoughts, worry and bedtime dread.