I know that the marijuana is great for relaxing, but you need to choose the right strain of marijuana for this, you need the strain with a large indica content, because the sativa can improve mood and give vivacity, and the indica are perfectly relaxing. I can recommend you to read on the Internet information about this, for example here
http://www.ncsm.nl/strain/mr-nice-guy . Marijuana is really very helpful for insomnia, apathy, depression.