Diagnostic daytime multiple sleep latency test (MSLT) is used to diagnose narcolepsy and to measure the degree of daytime sleepiness. It measures how quickly you fall asleep in quiet situations during the day. It also monitors how quickly and how often you enter REM sleep.
Array formulas provide a way by which Excel users can discover such useful information. To explain the power of array formulas I'll use this database. It shows sales by Seller, Product, Region, and Customer, with Quantity and Total Sales, in dollars. I named each column of data with the label shown in row 1.
#342 Ten Reasons to Use Excel Tables. July 26, 2013. Converting your Excel data into a table gives you some very useful ways to work more efficiently and effectively. Here are ten reasons you should consider using a table instead of an ordinary data range in Excel. To create a table, click anywhere inside the data range and click Table in the Tables group on the Insert tab. 1: Easy sorting and filtering. Excel automatically adds filter controls to the header row when you convert a range into a table. 2: Quick formatting. Excel automatically applies a banded row format to new tables. 3: Effortless data entry