If you plan to use cannabis for relaxation, stress relief, and perhaps even as a sleep aid, then you probably want to steer towards Indica strains. These tend to have more of a couch-locking effect than Sativa strains, which are known to be more energizing and to promote productivity. Visit a recreational dispensary, and these are some of the Indica strains you're more likely to find.  1. Northern Lights Named after beautiful lights you can see up north in Alaska, this strain evokes a beautiful and enlightening experience.