Sleep Time Calculator
Find your ideal bedtime and wake-up time in seconds
Details
- External ID
- 1257761
- Source
- PH
- Company
- —
- Product
- Study Time Calculator
- Website domain
- producthunt.com
- Launched
- Sept. 22, 2026
- Cohort
- —
- Upvotes
- 1
- Upvotes percentile
- 0.30815693820825313
- Tags
- Web App, Health & Fitness, Productivity
- Fetched at
- Sept. 23, 2026, 5:02 p.m.
- Updated at
- Sept. 23, 2026, 5:02 p.m.
Description
Free sleep time calculator based on 90-minute sleep cycles. Find your ideal bedtime, best wake-up time, or perfect nap length in seconds. Sleepytime planning made easy — no sign-up needed.
Enrichment
- Theme
- sleep, wake, and clock utilities
- Vertical
- Healthcare
- Function
- Workflow automation
- Audience
- B2C
- AI stance
- Not AI
- Project type
- Hobby / open-source project
- Normalized one-liner
- bedtime calculator for healthy sleep schedules
- Manually corrected
- False
Could you build this?
Yes This is a simple interactive calculator that executes basic modular arithmetic based on 90-minute intervals and fixed latency offsets entirely in client-side JavaScript.
Competitors
Other products that read as similar to this one — 295 launches clear the similarity bar, closest 8 shown.
Attention rank: #114 of 296 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).
Launched 312 days after the earliest competitor.
- Sleep Cycle Calculator · ph · 2026-09-21 · 1 upvotes · similarity 0.82
- Dozofy · ph · 2026-09-30 · 1 upvotes · similarity 0.82
- WakeUp: Alarm Clock & Goals · ph · 2026-09-12 · 2 upvotes · similarity 0.56
- NapRoute · ph · 2026-09-29 · 2 upvotes · similarity 0.56
- Sleep Sanity · ph · 2026-09-29 · 1 upvotes · similarity 0.54
- Sleep Diary · ph · 2026-09-16 · 1 upvotes · similarity 0.54
- Chronological Age Calculator · ph · 2026-09-25 · 1 upvotes · similarity 0.52
- Owlish · ph · 2026-09-22 · 2 upvotes · similarity 0.50
Other launches for this product
Same idea, different domain
Nobody's really built a workflow automation tool for Real estate yet.