Как обнулить значение бездействия после standby?

#!/bin/bash
set -x

# Wanted trigger timeout in milliseconds.
IDLE_TIME=$((1*60*1000))

# Sequence to execute when timeout triggers.
trigger_cmd() {
   # echo "Triggered action $(date)"
   systemctl suspend
}

sleep_time=$IDLE_TIME
triggered=false

# ceil() instead of floor()
while true; do
# while sleep $(((sleep_time+999)/1000)); do
   idle=$(xprintidle)
   if [ $idle -ge $IDLE_TIME ]; then
       if ! $triggered; then
           trigger_cmd
           triggered=true
           sleep_time=$IDLE_TIME
       fi
   else
       triggered=false
       # Give 100 ms buffer to avoid frantic loops shortly before triggers.
       # sleep_time=$((IDLE_TIME-idle+100))
   fi
   sleep 1
done