I’m usually getting maybe 4-5 hours of sleep a night, so about 6 months ago I started taking CBD oil at night (500mg and then 1500mg hemplucid). My experiences are pretty consistent with the study results here - I’d get about 1-1.5 hours more a night for the first month, but by month two I was already graduating to the 1500mg strength because my body was adapting to it so fast.
By the fourth month I was taking double the dosage of the prior month, and by month six I stopped taking it altogether… the effects were severely diminished and at $200 a bottle for the 1500mg strength, it would be more cost effective to just smoke the real thing as it is now legal where I live.