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.
However, the rise of fitness trackers with built in sleep tracking makes calculating sleep efficiency quicker and less susceptible to human error. Indeed, Fitbit users will probably know they get a daily sleep efficiency score when using their Fitbit activity tracker to track their sleep.