Do companies HAVE to accommodate people with minor medical issues?

They are required to accommodate disabilities.

They are not required to accommodate medical issues that are too minor to qualify as a disability.

Offhand, I don't know which sleep apnea is.

He is only PARTIALLY accurate at best. The ADA in the US only requires 'reasonable accommodations' for covered conditions. Non-rotating shifts MAY NOT reasonable for some jobs and are NEVER an accommodation for sleep apnea. Actually, as MOST jobs don't have rotating shifts, I doubt fixed shifts are a reasonable accommodation for ANY jobs where rotating shifts are normal.

Your friend isn’t very bright about reality. And in their sub conscience, they are a Socialist

No. Neither of those keep you from sleeping.

No. If an employee becomes limited in what they can physically do because of surgery or illness a company is required to make accommodations for the employee IF POSSIBLE.

mattress tester ?? Clown in a circus ???

In the UK employers are required to make reasonable adaptations to accommodate those with disabilities. What is reasonable will vary with the circumstances of each person and each employer.

yes, they do, however documentation needs to be shown for them to be required to

A reasonable accommodation is assistance or changes to a position or workplace that will enable an employee to do his or her job despite having a disability. Under the ADA, employers are required to provide reasonable accommodations to qualified employees with disabilities