100% Free, No Account Required

Free Sleep Tools to Transform Your Rest

Interactive tools built on sleep science to help you optimize your bedroom, create healthy routines, and finally get the restorative sleep you deserve.

Choose Your Sleep Tool

Each tool takes 2-5 minutes and provides personalized, actionable recommendations based on your unique situation.

Shift Worker Sleep Planner

Custom sleep schedules for nurses, factory workers, and anyone with irregular hours.

  • Rotating shift support
  • Anchor sleep windows
  • Light exposure timing
  • Nap strategy planning
4-6 minutes FREE
Plan My Sleep

Sleep Debt Calculator

Calculate your accumulated sleep debt and get a personalized recovery plan.

  • Weekly sleep tracking
  • Debt accumulation analysis
  • Recovery timeline
  • Catch-up strategies
2-3 minutes FREE
Calculate My Debt

Bedtime Routine Builder

Create a personalized wind-down routine based on your preferences and sleep challenges.

  • Activity recommendations
  • Timed routine schedule
  • Relaxation techniques
  • Habit tracking tips
3-4 minutes FREE
Build My Routine

Sleep Sound Finder

Discover your ideal sleep soundscape from white noise to nature sounds.

  • Sound preference matching
  • Audio samples
  • Volume recommendations
  • App suggestions
2-3 minutes FREE
Find My Sounds

Natural Sleep Remedy Finder

Find evidence-based natural remedies matched to your specific sleep challenges.

  • Personalized remedy matching
  • Evidence-based recommendations
  • Dosage guidance
  • Safety information
3-4 minutes FREE
Find My Remedies

Jet Lag Calculator

Get a personalized jet lag recovery plan based on your travel details.

  • Light exposure timing
  • Sleep schedule adjustment
  • Pre-travel preparation
  • Recovery timeline
2-3 minutes FREE
Plan My Recovery

Chronotype Quiz

Discover your sleep chronotype and optimal daily schedule.

  • MEQ-based assessment
  • Peak performance windows
  • Ideal sleep schedule
  • Lifestyle recommendations
3-4 minutes FREE
Find My Chronotype

Sleep Cycle Calculator

Calculate optimal bedtimes and wake times based on 90-minute sleep cycles.

  • Multiple wake time options
  • Sleep cycle visualization
  • Fall-asleep buffer
  • Cycle recommendations
1-2 minutes FREE
Calculate Cycles

Insomnia Quiz

Assess your insomnia severity using the clinically validated ISI scale.

  • ISI-based scoring
  • Severity classification
  • Pattern identification
  • Treatment guidance
2-3 minutes FREE
Assess My Insomnia

Power Nap Calculator

Find your optimal nap time and duration based on your schedule and energy needs.

  • Optimal nap timing
  • Duration recommendations
  • Caffeine nap protocol
  • Grogginess prevention
1-2 minutes FREE
Plan My Nap

Sleep Quality Assessment

Comprehensive evaluation of your sleep health across 7 key dimensions.

  • 7-dimension sleep analysis
  • Personalized sleep profile
  • Sleep efficiency gauge
  • Priority action plan
5-7 minutes FREE
Assess My Sleep

Sleep Hygiene Quiz

Assess your sleep habits across 6 key categories and get your personalized improvement plan.

  • 6-category habit analysis
  • A-F letter grading
  • Problem habit identification
  • 7-day improvement challenge
3-5 minutes FREE
Take The Quiz

Dream Calculator

Find optimal wake times during REM sleep for vivid dream recall and lucid dreaming.

  • REM sleep timing
  • Dream window optimization
  • Lucid dreaming tips
  • Sleep architecture visualization
1-2 minutes FREE
Calculate Dreams

Sleep Calculator

Find your ideal bedtime and wake time based on your age and sleep cycles.

  • Age-based recommendations
  • AASM & CDC guidelines
  • Sleep cycle optimization
  • Multiple time options
1-2 minutes FREE
Calculate My Sleep

Caffeine Sleep Calculator

Find your ideal caffeine cutoff time based on your metabolism and bedtime.

  • Multiple drink tracking
  • Metabolism factors
  • Caffeine decay curve
  • Sleep impact prediction
2-3 minutes FREE
Calculate Cutoff

Sleep Apnea Test

Screen for obstructive sleep apnea risk using validated STOP-BANG and Epworth scales.

  • STOP-BANG questionnaire
  • Epworth Sleepiness Scale
  • Built-in BMI calculator
  • Risk level assessment
3-4 minutes FREE
Take the Test

Sleep Tracker

Log your sleep daily, track patterns, and discover insights to improve your rest.

  • Daily sleep logging
  • Auto-calculated metrics
  • Visual trend charts
  • Personalized insights
1 minute daily FREE
Start Tracking

Why Use Spacire Sleep Tools?

Built on sleep science, designed for real results.

Evidence-Based

All recommendations are grounded in peer-reviewed sleep research from institutions worldwide.

100% Free

No hidden costs, no premium tiers, no account required. Just helpful tools for better sleep.

Personalized Results

Get recommendations tailored to your specific situation, not generic one-size-fits-all advice.

Private & Secure

Your data stays in your browser. We only store information if you opt in for email reports.

Works on Any Device

Use on Mac, Windows, iPhone, Android, or any tablet. No app download required - works in your browser.

Instant Results

Get personalized recommendations immediately. No waiting, no appointments - just actionable advice in minutes.

Helping Sleepers Worldwide

Our tools provide region-specific recommendations for users across the globe, accounting for different climates, cultures, and healthcare systems.

United KingdomUnited StatesCanadaAustraliaGermanyFranceIrelandNetherlandsNew ZealandIndiaJapanUAEItalySpainSweden+ more

Ready to Sleep Better Tonight?

Start with our most popular tool and discover exactly what's affecting your sleep quality.

Try the Sleep Environment Optimizer