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1. incomplete sleep; drowsiness.
som·no·lence, somnolency (som'nō-lĕns, -len-sē),
1. An inclination to sleep. Synonym(s): sleepiness
2. A condition of obtusion.
Synonym(s): somnolentia (1)
sleep drunk·en·ness(slēp drungkĕn-nĕs)
Half-waking condition in which the faculty of orientation is in abeyance, and under the influence of nightmarelike ideas, the person may become actively excited and violent.