This has been happening on/off for about 4 days. It feels like gravity is pushing very hard against my body, or like the g-forces from a roller coaster might. I also feel I have been more tired. It started after I took adderall recreationally and ate a weed brownie in the same day. The adderall had me very wired and I hardly slept that night (don't know if this has anything to do with it, but figured it was worth mentioning). I do drink probably a night or two a week as does the normal college kid. I am into weightlifting as well. I read that heaviness in the legs can mean heart failure, so I figured I should look into it. Any replies are appreciated