A basic bedtime calculator to find 6 sleep-cycle times for good night's sleep

Gemfile

gem 'sleep'

RubyGem

gem install sleep

List of commands

> bedtime help

Sleep now

> bedtime now

Wake up at one of the following times (Set your alarm clock):

10:28 PM (1.5h)
11:58 PM (3.0h)
1:28 AM (4.5h)
2:58 AM (6.0h)
4:28 AM (7.5h)
5:58 AM (9.0h)

Wake up at

> bedtime wakeup_at 8:30 AM

Sleep at one of the following times:

7:00 AM (1.5h)
5:30 AM (3.0h)
4:00 AM (4.5h)
2:30 AM (6.0h)
1:00 AM (7.5h)
11:30 PM (9.0h)

require 'sleep'

sleep = Sleep.new

sleep.delay = true
sleep.sleep_delay = 14 # minutes

p sleep.now

p sleep.next(Time.now)

p sleep.previous(Time.now)

p sleep.wakeup_at("6:30am")

p sleep.wakeup_at("in 2 hours")

p sleep.sleep_at("10:30pm"")

p sleep.sleep_at("in 15 minutes")

• The Power of the Sleep Cycle

• Chronic for amazing natural language date/time parser

Sleep is licensed under the MIT license.