Info on some sleeping pills

Trazodone (Desyrel)
May cause sweating, weight fluctuations, constipation, diarrhea, nausea, vomiting, headache, dizziness, prolonged drowsiness or blurred vision. Rarely, may cause cardiac complications or seizures.
May not be safe for pregnant women or people who have a history of heart problems or high blood pressure.
May cause abnormal, painful or prolonged erections. Starting with a low dose and increasing gradually may reduce drowsiness and dizziness. Interacts with the blood thinner Coumadin and many herbal supplements.

Amitriptyline
May cause weight gain, bloating, constipation, dizziness, headache, prolonged drowsiness or blurred vision. Rarely, may cause cardiac complications or seizures.
Not recommended during recovery from a heart attack or while using a monoamine oxidase inhibitor. May not be safe for pregnant women or people who have a history of heart problems, seizures, hyperthyroidism, liver disease, schizophrenia or bipolar disorder.
May interact with many other medications.

Nortriptyline (Aventyl, Pamelor)
May cause weight gain, bloating, constipation, dizziness, headache, prolonged drowsiness or blurred vision. Rarely, may cause cardiac complications or seizures.
Not recommended during recovery from a heart attack or while using a monoamine oxidase inhibitor. May not be safe for pregnant women or people who have a history of heart problems, glaucoma, seizures or schizophrenia.
May interact with many other medications.