Not true. It is more important to go to bed at the same time and wake up at the same time everyday. Not everyone needs eight hours. In fact, if I get eight hours sleep I usually feel tired and groggy for the entire day.
Many drugs affect the release, arrest and efficacy of serotonin, including antidepressants, psychedelic hallucinogens, synthetic opiates, dissociatives, drugs for treating migraines, antihistamines, and stimulants such as MDMA.
Combining ecstasy with other drugs that affect the serotonin levels in your body -- such as antidepressants -- can be toxic. Using cocaine or other stimulants with ecstasy can escalate your blood pressure and heart rate to levels high enough to cause a heart attack or stroke.