Trigger IFTTT webhooks if the device goes into sleep mode

sleep.ps1

# Turn of all lights when your PC goes to sleep
#
#  If {Webhooks receive a web request} then {Philips Hue turn off lights}
#  https://ifttt.com
#  Change $hook, $from and $to of your preference.

$hook = 'https://maker.ifttt.com/trigger/{event}/with/key/{key}'
$from = '00:00'
$to = '06:00'

#Unregister-Event -SourceIdentifier 'SLEEP'
Register-WmiEvent -Query 'select * from Win32_PowerManagementEvent within 5 where eventtype = 4' -SourceIdentifier 'SLEEP' -Action {
  $now = Get-Date
  if ($(Get-Date $from).TimeOfDay -le $now.TimeOfDay -and $(Get-Date $to).TimeOfDay -ge $now.TimeOfDay) {
    Invoke-WebRequest -Method POST -Uri $hook
  }
}