|>>|| No. 9931
Personal experience but last year I had pretty bad sleep problems for a while and I think weed may have been partially to blame. It's the same with any drug really, it might make me relaxed in the short term but a day or two later I'd bounce back and become more anxious (racing heart-rate when I was just laying in bed) unless I smoked more, getting further into a cycle.
In fairness, I was pretty stressed at the time about finding work, and I would take regular naps which made falling asleep at night more of a bitch, so weed wasn't the only contributory factor. But if you are having sleep problems, I'd definitely recommend giving up weed and reducing/giving up alcohol as they both definitely have some effect on your sleep pattern.
Caffeine is also a fucker, even if you don't have any before bed it has a half-life of 5 hours in your body, so if you have multiple cups of strong coffee throughout the day you'll still have a high blood-content by bed-time. Plus it just generally messes up your circadian rhythm if you have a lot of coffee at certain times of day (including first thing when you wake up).