comatose

adjective
UK /ˈkəʊ.mə.təʊs/
US /ˈkoʊ.mə.toʊs/

Being in a deep sleep-like state where a person cannot wake up.

After the accident, the patient remained comatose for several days.


OTHER MEANINGS

2. Extremely tired or lacking energy.

After the long flight, I felt completely comatose.

3. Showing no activity or interest; sluggish.

The comatose economy finally began to show signs of life.

4. In a state of deep stupor caused by illness or injury.

The fever left him comatose for hours.