Is sleep apnea related to COPD and/or asthma? What are some effective treatments for someone with sleep apnea and COPD - cpap, bipap, pillows?

Here we go? No, not related. Treatment is with a c-pap machine are others as you listed. Care is directed by someone trained in sleep disorders. You can have COPD and other lung diseases but not related to sleep apnea. Together, they are difficult.
Sort of. Sleep apnea can be present in any patient, whether with COPD or not. Sleep apnea can make a COPD patient feel worse and do worse. The treatment can be anything that you mentioned: cpap, bipap. A sleep study will determine what treatment is best.
No. Sleep apnea is not related to COPD or asthma. Sleep apnea and asthma sometimes share a common risk factor: obesity. Cpap/bipap therapy for sleep apnea can have the added benefit of providing additional support for people with advanced copd. CPAP is not indicated for the treatment of COPD in the home setting.

Related Questions

Are alternative treatments to mild obstructive sleep apnea (AHI of 8/H) other than CPAP/BiPAP! Are there any side effects that will arise from them?

Tongue suspension. There are several solutions such as appliances or more permanent solutions... ie http://siestamedical.com/ - there are minimally invasive solutions for alternatives to patients intolerant of cpap. May want to talk to your ear nose throat physician. Read more...
Weight management. Depending on a patients weight, getting closer a BMI under 25 may be more successful in the long term for OSA and a variety of other health issues. Read more...
2. Weight loss may help. Dental sleep appliances usually useful. See evaluation by a dentist trained in sleep medicine. Read more...