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.
NREM Stage 1 (N1 â light sleep, somnolence, drowsy sleep â 5â10% of total sleep in adults): This is a stage of sleep that usually occurs between sleep and wakefulness, and sometimes occurs between periods of deeper sleep and periods of REM.