Before revision: It is based on Beaudoin's theory of the human sleep onset control system called the somnolent information processing theory (SIP), according to which mental perturbance is in somnolent , meaning that it can delay sleep onset.
After revision: It is based on Beaudoin's theory of the human sleep onset control system called the somnolent information processing theory (SIP), according to which mental perturbance is insomnolent , meaning that it can delay sleep onset.