This article provides an overview of the daytime symptoms associated with the most common sleep disorders, namely insomnia, restless legs syndrome, obstructive sleep apnea syndrome and shift wake ...

Medically reviewed by Elle Markman, PsyD, MPH The DSM-5, otherwise known as the "Diagnostic and Statistical Manual of Mental ...

With winter on the horizon, you probably have questions regarding SAD — like how common is seasonal affective disorder? We've ...