Before revision: 8 External cues (such as physical threats) and internal mechanisms (such as alarms or mental perturbance) are deemed to be insomnolent, meaning they tend to delay sleep onset; or pro-somnolent, meaning they tend to promote sleep onset; or asomnolent, meaning they have no particular effect on sleep onset.
After revision: External cues (such as physical threats) and internal mechanisms (such as alarms or mental perturbance) are deemed to be insomnolent, meaning they tend to delay sleep onset; or pro-somnolent, meaning they tend to promote sleep onset; or asomnolent, meaning they have no particular effect on sleep onset.