All human beings have good dreams sometimes and bad dreams sometimes, so there is no particular problem here that needs to be studied. Dreams in general are studied by psychologists, who find insight into the psyche through dream analysis. Sleep researchers investigate the physiology of dreaming; how and when it occurs, and the associated sleep states of dreams. See the attached links for more information.

Sigmund Freud

Sigmund Freud

Self realisation is the best way to understand with consideration of mind as the highest laboratory.

Garrett Morgan got famous in1909 when he invented the traffic signal and when he got rich