SleepWindow
Plan bedtime, wake time, naps, and caffeine around 90-minute sleep cycles.
What it does
- Pick a wake time → see bedtimes that end a full sleep cycle.
- Tap "if I fall asleep now" → see wake times that end a full cycle.
- Plan power, short, or full-cycle naps.
- See a conservative caffeine cutoff for your target bedtime.
- Simple local reminders. No cloud. No account. No analytics.
Pricing
Free tier: bedtime calculator, limited wake-time calculations, one reminder.
Lifetime unlock: everything, forever. One-time $7.99. No subscription.
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