Shift work slumber disorder (SWSD) is a circadian rhythm slumber disorder characterized by insomnia and exorbitant slumberousness affecting people whose work hours overlap with the typical slumber period. Insomnia can be the arduousness to fall asleep or to arouse afore the individual has slumbered enough.About 20% of the working population participates in shift work. SWSD commonly goes undiagnosed, so it's estimated that 10-40% of shift workers suffer from SWSD.The exorbitant somnolence appears when the individual has to be productive, aroused and alert.Both symptoms are predominant in SWSD.There are numerous shift work schedules, and they may be aeonian, intermittent, or rotating; consequently, the manifestations of SWSD are quite variable. Most people with different schedules than the mundane one  might have these symptoms but the difference is that SWSD is continual, long-term, and commences to interfere with the individual's life. 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 consequential 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 additionally 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.