Bash sleep in milliseconds

Question

I need a timer which will work with milliseconds. I tried to use sleep 0.1 command in a script, but I see this error message:

syntax error: invali

Answer 1

Some options:

read -p "Pause Time .5 seconds" -t 0.5

or

read -p "Continuing in 0.5 Seconds...." -t 0.5
echo "Continuing ...."