cycles

Calculate sleep cycles to wake up more refreshed.

The human body goes through 90 minute sleep cycles during the night, and you feel more refreshed if you wake up at the end of a sleep cycle than if you wake up during a sleep cycle.

Install

$ npm install --save cycles

CLI

$ npm install --global cycles

$ cycles --help

  Usage
    $ cycles
    $ cycles <Bedtime>
    $ cycles --wake <Time to wake up>

  Options
    -d, --duration <Cycle duration in minutes>
    -w, --wake <Time to wake up>

Usage

var cycles = require('cycles');

cycles.sleep('23:37');
/*
	{
		2: '02:37',
		3: '04:07',
		4: '05:37',
		5: '07:07',
		6: '08:37',
		7: '10:07'
	}
*/

cycles.wake('06:55');
/*
	{
		2: '03:55',
		3: '02:25',
		4: '00:55',
		5: '23:25',
		6: '21:55',
		7: '20:25'
	}
*/

cycles.wake('06:55', {duration: 60});
/*
	{
		2: '04:55',
		3: '03:55',
		4: '02:55',
		5: '01:55',
		6: '00:55',
		7: '23:55'
	}
*/

API

cycles.sleep([time], [opts])

time

Type: string
Default: Current time

Returns an object with times to wake up for 2 to 7 sleep cycles.

opts

Type: object

Options to pass to the function

opts.duration

Type: number
Default: 90

Set the cycle duration in minutes.

cycles.wake(times, [opts])

time

Required
Type: string

Returns an object with times to fall asleep for 2 to 7 sleep cycles.

opts

Type: object

Options to pass to the function

opts.duration

Type: number
Default: 90

Set the cycle duration in minutes.

License

MIT © Andreas Gillström