Go to the source.
Look inside and find why you have trouble sleeping, then cure that. Forget using drugs.
No, he will sleep naturally, once he finds the real issue and deals with that. Do you think he will not sleep, he will stay awake forever???
Go off grid for a few weeks, no clocks, no electronics, in no time you will be waking up at sunrise and falling asleep at sundown. Perfectly natural.🙂