Cocaine, marijuana and even caffeine which are examples of mind altering drugs causes irregular sleeping patterns, loss of appetite, interferes with light sensitivity, affects memory, elevates body temperature and causes pain sensitivity among other changes in similar manner to how serotonin affects the body (Somer). But this body changes depends on the level of drugs that enters the blood system and personal characteristics of the person.

Don't use plagiarized sources. Get Your Custom Essay on
Drugs causes irregular sleeping patterns
Just from $13/Page
Order Essay