OG, also known classically as OG Kush, is one of the most recommended strains for great sleep, as it is a 100% Indica hybrid. Its genetics are unclear. Some say it’s a mix of LA Kush and SFV OG, while others believe it grew from seeds from Hindu Kush, Chemdawg, and Lemon Thai. You’ll even hear other opinions that it came from a Northern California strain mixed with Dutch Hindu Kush grown in Florida