Hey thanks @threatco Hello @sportyridr ,
There are so many good strains out there that are low in THC.
For a legal hemp designation in the U.S. the limit is 0.3% THC. Medicinally speaking, research has shown that the THC is needed, along with terpenes and a host of cannabinoids to create what is called the entourage effect. That's why if you're interested in taking CBD oil, I would highly recommend that you take full spectrum products, not isolates. There are hemp or low THC varieties that you can order from Europe and other good seed banks that hover around 1.0% THC, that I think would be great medicine for those people you've listed. @Burned Haze is right, the terpenes play a role in the psychoactive effects of cannabis and contribute to the healing entourage effect.
For the low THC side of things (hemp) I would recommend The Wife, Cherry Wine, Charlottes Gift, (any derivative from the Charlotte lineage would be great) Suver Haze, Sour Space Candy, there's a ton more, and some share the same name and carry lineage of their high THC counterparts like Bubba Kush. I'd also look into getting a CBG dominant cultivar for your friends.
On the medicinal side of high THC, I'd recommend leaning toward broad leafed indica for your sleep trouble, but the following would be great - Harlequin, Cannatonic, Northern Lights, Jamaican Lion, Dr. Grinspoon etc... Get sleepy with some Pre 98 Bubba Kush if you can find it.
Finding and sourcing these genetics is another topic and I'm not sure how to share or navigate this forum and I don't know what is allowed. Listing websites etc. Would now be a good time to discuss the strain name dilemma? I'm sure someone at the farm would love to chime in about that.