hass-config/blueprints/automation/bachya/sleep-timer.yaml

blueprint:
  name: Sleep Timer
  description: Perform one or more actions after a sleep timer expires
  domain: automation
  input:
    input_number:
      name: Input Number
      description: The input number that determines how many minutes the sleep timer
        should last for
      selector:
        entity:
          domain: input_number
    timer:
      name: Timer
      description: The entity that represents the timer itself
      selector:
        entity:
          domain: timer
    timer_cancel_action:
      name: Action on Timer Cancel
      description: The action(s) to run when the timer is canceled
      default: []
      selector:
        action: {}
    timer_expire_action:
      name: Action on Timer Expire
      description: The action(s) to run when the timer expires
      default: []
      selector:
        action: {}
    timer_start_action:
      name: Action on Timer Start
      description: The action(s) to run when the timer starts
      default: []
      selector:
        action: {}
  source_url: https://community.home-assistant.io/t/sleep-timer/256463
mode: restart
variables:
  slider: !input 'input_number'
  slider_value: '{{ states(slider) | int * 60 }}'
trigger:
- platform: state
  entity_id: !input 'input_number'
- platform: state
  entity_id: !input 'timer'
  to: idle
action:
  choose:
  - conditions:
    - condition: template
      value_template: '{{ trigger.to_state.state == "idle" }}

        '
    sequence:
    - service: input_number.set_value
      data:
        entity_id: !input 'input_number'
        value: 0
    - choose: []
      default: !input 'timer_expire_action'
  - conditions:
    - condition: numeric_state
      entity_id: !input 'input_number'
      below: 1
    sequence:
    - service: timer.cancel
      data:
        entity_id: !input 'timer'
    - choose: []
      default: !input 'timer_cancel_action'
  - conditions:
    - condition: numeric_state
      entity_id: !input 'input_number'
      above: 0
    sequence:
    - service: timer.start
      data:
        entity_id: !input 'timer'
        duration: '{{ slider_value }}'
    - choose: []
      default: !input 'timer_start_action'