Awaking in the middle of the night may cause what?\nOptions:\n- depression\n- irritability\n- shock\n- discomfort\n- alertness
Please answer and provide answer explanation.
irritability
Irritability is the quality of being irritable.

Irritability is generally caused by insomnia.

Insomnia means inability to sleep.

People with insomnia awaken in the middle of the night.

.

So, the final answer is irritability