Credit limit â This credit limit is not a total credit limit for the control area. In this way you ensure that a credit restriction will be effective for new customers, too, as soon as the customer has been created. If no credit master record has been maintained, there is no credit limit.he credit master record is automatically maintained when at least one of the following fields is maintained for the corresponding control area. 1  Via the customer master record, you can allocate every customer to a credit risk category. 2  This is used if automatic credit control is used.
light sleep. A colloquial term for the first stage of nonârapid eye movement (NREM) sleep. It is sometimes also applied to the second stage of NREM sleep.
In general, young people spend more time in the deeper, heavier stages of sleep as they grow and develop. Older people spend less time in deep-sleep stages and are more likely to complain of being light sleepers. But sleep experts say the difference between a light and heavy sleeper may be largely subjective. Someone who gets eight hours of sleep a night may not experience as much slow-wave, deep sleep as the person who get six hours of sleep.