Three questions kill most of the confidence in a thread like this: sample size, blinding, who paid. A fortnight in on vitamin D3 and it lines up.

Sleep first. Bad night, bad day, more symptoms. Fix that before changing anything else. A fortnight in on the pharmacy register and it lines up.

Same here. Four months in on a sleep routine and it lines up.

I would stop trying to convey how bad it is and start saying what you want them to do. A year in on diazepam and it lines up.

Split orders. Two small parcels beat one large one for reasons that have nothing to do with price.

I would take the narrow conclusion. Broad ones are more interesting and less true.