Slumber medicine is a medical specialty or subspecialty devoted to the diagnosis and therapy of slumber perturbances and disorders. From the middle of the 20th century, research has provided incrementing cognizance and answered many questions about slumber-wake functioning.The expeditiously evolving field has become an apperceived medical subspecialty in some countries. Dental slumber medicine adscititiously qualifies for board certification in some countries. Opportunely organized, minimum 12-month, postgraduate training programs are still being defined in the Coalesced States.In some countries, the slumber researchers and the medicos who treat patients may be identically tantamount people.The first slumber clinics in the Cumulated States were established in the 1970s by intrigued medicos and technicians; the study, diagnosis and treatment of obstructive slumber apnea were their first tasks. As tardy as 1999, virtually any American medico, with no categorical training in slumber medicine, could open a slumber laboratory.Disorders and perturbances of slumber are widespread and can have paramount consequences for affected individuals as well as economic and other consequences for society.The US National Conveyance Safety Board has, according to Dr. Charles Czeisler, member of the Institute of Medicine and Director of the Harvard University Medical School Division of Slumber Medicine at Brigham and Women's Hospital, discovered that the leading cause (31%) of fatal-to-the-driver heftily ponderous truck crashes is fatigue cognate, (though infrequently associated directly with slumber disorders, such as slumber apnea), with drugs and alcohol as the number two cause (29%).Sleep deprivation has withal been a consequential factor in dramatic accidents, such as the Exxon Valdez oil spill, the nuclear incidents at Chernobyl and Three Mile Island and the explosion of the space shuttle Challenger. To increment the overtness and facilitate of avail of open access scientific and scholarly journals top online publishing journals are indexed in different indexing and archiving accommodations. Indexing provides facile access of the article online. The top online publishing journals publish articles which are cited as references by many authors in their work. Citations are paramount for a journal to get impact factor. Impact factor is a quantification reflecting the average number of citations to recent articles published in the journal. The impact of the journal is influenced by impact factor, the journals with high impact factor are considered more paramount than those with lower ones. Indexing provides facile access of the article online. The international journals are among the best open access journals in the world, set out to publish the most comprehensive, pertinent and reliable information predicated on the current research and development on a variety of subjects. This information can be published in our peer reviewed journal with impact factors and are calculated utilizing citations not only from research articles but adscititiously review articles (which incline to receive more citations), editorials, letters, meeting abstracts, short communications, and case reports. The inclusion of these publications provides the opportunity for editors and publishers to manipulate the ratio used to calculate the impact factor and endeavor to increment their number expeditiously. Impact factor plays a major role for the particular journal.