Calculate the best bedtimes for a wake-up time, or the best wake-up times for a bedtime, based on 90-minute sleep cycles plus 15 minutes to fall asleep. Returns 4 options (3-7 cycles) with duration and quality (optimal/good/fair).
This page documents the HTTP endpoint POST /api/tools/sleep-calculator/execute. See the MCP reference →
Call it over REST
POST https://api.findutils.com/api/tools/sleep-calculator/execute · no API keys · 60 requests/min per IP
Execute — verified arguments
curl -X POST https://api.findutils.com/api/tools/sleep-calculator/execute \
-H "Content-Type: application/json" \
-d '{
"mode": "wake",
"time": "07:00"
}'Parameter schema for this endpoint
curl https://api.findutils.com/api/tools/sleep-calculatorInput schema
| Argument | Type | Required | Description |
|---|---|---|---|
| mode | string (wake | sleep | now) | no | "wake": you give the wake-up time and get bedtimes (6 down to 3 cycles). "sleep": you give the bedtime and get wake-up times (4 to 7 cycles). "now": like "sleep" with the current time (UTC) when time is omitted. Default: "wake". |
| time | string | no | Time of day as HH:MM (24-hour). Required for "wake" and "sleep". Optional for "now". |
Example arguments (verified)
{
"mode": "wake",
"time": "07:00"
}Also an MCP tool
Claude, Cursor, and any MCP client can call this tool as
findutils:sleep_calculator after one connect command.
Connect once
claude mcp add findutils --transport http https://mcp.findutils.com/More Calculators tools
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