First, it is related to sleeping posture and physical condition.
Usually I feel uncomfortable in my dreams, or I feel uncomfortable, which is often because my own physiological state is not well reflected.
What you said, suffocation, may be the respiratory system.
Second, the plot of the dream also refers to something.
When you take the elevator, you are caught in it. The elevator reminds people of the office building going up and down the stairs, so it refers to your work.
Chuck refers to something that makes you feel headache, nervous and oppressive.