Nearly the same, but you missed the fact that sleeper1 variable contains "result":
"When using register with a loop, the data structure placed in the variable will contain a results attribute that is a list of all responses from the module."
http://docs.ansible.com/ansible/playbooks_loops.html#using-register-with-a-loop
You need something like
with_items: "{{ sleeper1.results }}"
at the end of "check fire and forget" and {{ item.ansible_job_id }} instead of {{ sleeper1.ansible_job_id }}
Cheers,
Marko
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