That site and some others linked up here will give you clinically accurate advice from a consumer perspective to educate yourself and bring to your psychiatrist.
Lunesta and
Rozerem are good options for sleep, especially
Rozerem which in working like melatonin can actually adjust the sleep cycle. However, if Effexor was prescribed as an anti-depressent let that get adjusted before trying additional sleep aids as untreated depression causes insomnia.