Slumber
Check
All Tools
Blog
Report
All Tools
Sleep Health Tools
Free science-backed tools to help you sleep better.
📐
Calculators
⏰
Sleep Cycle Calculator
Find the optimal bedtime or wake-up time based on 90-minute sleep cycles
→
☕
Caffeine Cutoff Calculator
Find your last safe time for caffeine based on bedtime and metabolism
→
📋
Assessments
📋
Sleep Quality Assessment
Answer 8 questions to get your sleep quality score (0–20)
→
🏠
Sleep Environment Checker
Check your bedroom across 6 key factors for better sleep
→
⏱️
Timers
🧘
Bedtime Stretch Timer
A guided 5-minute stretching routine with countdown timer
→
📊
Dashboard
📊
Sleep Report Dashboard
Combined view of all your sleep data across tools
→