What is listlessness and drowsiness in medical term?

Listlessness refers to a state of lethargy or lack of energy, where an individual exhibits reduced motivation or interest in activities. Drowsiness, on the other hand, is characterized by an increased tendency to sleep or a state of being sleepy. Both conditions can be symptoms of various underlying medical issues, including fatigue, depression, or certain illnesses. In medical terminology, these symptoms may be associated with terms like "asthenia" for weakness and "somnolence" for excessive sleepiness.