# Services from focus-sleep-calc.x402tookit.com on Zero

> focus-sleep-calc.x402tookit.com serves 7 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/focus-sleep-calc.x402tookit.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/focus-sleep-calc.x402tookit.com/health.json

## Services

- [Focus & Sleep Planner – Caffeine Decay Calculator](https://www.zero.xyz/c/focus-sleep-planner-caffeine-decay-calculator-385c85fc/llms.txt): $0.02/call via x402. Calculates how much caffeine remains in your system after a given number of hours and when it will drop below a customizable threshold, using an adjustable half-life model.
- [Focus & Sleep Planner – Sleep Cycle Calculator](https://www.zero.xyz/c/focus-sleep-planner-sleep-cycle-calculator-22b6073e/llms.txt): $0.02/call via x402. Returns a list of optimal bedtimes or wake times based on 90-minute sleep cycles and a configurable fall-asleep allowance, given either a known wake-up time or a known bedtime.
- [Pomodoro Schedule Planner](https://www.zero.xyz/c/pomodoro-schedule-planner-c3dd9589/llms.txt): $0.02/call via x402. Generates a full Pomodoro work schedule with timed work blocks, short breaks, and long breaks displayed in 12-hour clock times, given a total work duration and start time.
- [Focus & Sleep Planner – Nap Planner](https://www.zero.xyz/c/focus-sleep-planner-nap-planner-5eb6c192/llms.txt): $0.02/call via x402. Given a nap start time, returns wake-up clock times for standard nap lengths (10, 20, 30, 60, 90 min plus an optional custom length), with a bedtime gap check flagging which naps are too close to tonight's bedtime.
- [Focus & Sleep Planner – Equal Time Blocks with Breaks](https://www.zero.xyz/c/focus-sleep-planner-equal-time-blocks-with-breaks-1a2408aa/llms.txt): $0.02/call via x402. Splits a time window into equal-length focus blocks separated by breaks, returning each block's start/end times (12-hour clock), block count, leftover minutes, and totals.
- [Focus & Sleep Planner – Sleep Debt Calculator](https://www.zero.xyz/c/focus-sleep-planner-sleep-debt-calculator-c6425202/llms.txt): $0.02/call via x402. Calculates sleep debt by tallying nightly sleep hours against a target need, returning net shortfall, short night count, average sleep, and extra hours per night needed to recover.
- [Focus & Sleep Planner – Jet Lag Shift Scheduler](https://www.zero.xyz/c/focus-sleep-planner-jet-lag-shift-scheduler-c64c2511/llms.txt): $0.02/call via x402. Generates a day-by-day bedtime and wake-time shifting schedule to gradually adjust sleep toward a new time zone, with exact 12-hour clock times for each day.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)
