1 Onset of sleep from time the lights were turned off; this is called  sleep onset latency  and normally is less than 20 minutes. ( 2 Note that determining sleep and awake is based solely on the EEG. Patients sometimes feel they were awake when the EEG shows they were sleeping.
The direct cost margin is calculated by taking the difference between the revenue generated by the sale of goods or services and the sum of all direct costs associated with the production of those goods, divided by the total revenue.
The way to determine what the indirect cost take should be is to divide your award amount by 100% of your indirect cost rate. For example, if your award amount is $100,000 and your indirect cost rate is 5% of modified total direct costs, then divide $100,000 by 1.05 which gives you $95,238.09.