There are times when I reaaaaaally want to go to sleep. These are the times I have overripe cannabis around with a high CBD content. I generally wake up with a hangover of sorts though, so I use it sparingly.
People with high pain issues and no access to CBD strains prefer sleeping through their issues. High CBN does the trick. With high CBD strains becoming more available, it's possible to remove all/or enough pain they can function in life again, without the CBN sleepies. Good stuff.
I've made cannabis based sleeping pills by mixing equal parts avb and cobbed trim from indica dom plants. Both the already vaped bud and leaf have sleepy highs to begin with but in pill form they're barely enjoyable and just smash you all the way to bed.