Today's guest is Dr. Parina Aggarwal. Dr. Aggarwal is a practicing sleep medicine physician. We talk about what sleep is, and why we need it. Then we go into detail about the 4 stages of sleep. We next move into information that relates directly to patients with scleroderma, we talk about what features of scleroderma may cause greater sleep disruption and are there certain sleep disorders that may be more prevalent in scleroderma. We also talk about ways to sleep better and medications and supplements.