Serotonin, for example, affects not only mood but also sleep and digestion, among other things. Low serotonin levels are also ...

Trazodone is an antidepressant that is sometimes prescribed as a sleep aid. It is not addictive and may offer additional benefits over other sleep aids for certain conditions, such as sleep apnea.

Patients with comorbid depression and insomnia do not feel satisfied by their health care providers or available treatment ...