You might need to write a different request letter to ask someone who you should write to. In this case, still follow these steps for writing a request letter. Learn the format for a business letter. Your request letter should use the proper business letter format, as it is likely a formal request.
The Epworth Sleepiness Scale (ESS) is a scale intended to measure daytime sleepiness that is measured by use of a very short questionnaire. This can be helpful in diagnosing sleep disorders. It was introduced in 1991 by Dr Murray Johns of Epworth Hospital in Melbourne, Australia.
The Epworth scale was developed in 1990 by Dr Murray Johns, the founding Director of the Sleep Disorders Unit at Epworth Hospital, Melbourne, Australia. Dr Johns invented this test so he could assess the daytime sleepiness of patients in his private practice of Sleep Medicine.