If you have problems with sleeping, you can find in this category drugs, that will help you with insomnia and such problems.
Provigil is a medication which helps to fight sleepiness in excess.
Modafinil - analeptic, used to treat sleepiness associated with narcolepsy.
Elavil is prescribed for treatment of obsessive compulsive disorder.
Endep is in a group of drugs called tricyclic antidepressants. It is used to treat symptoms of depression.