By wearing a mask and social distancing
True, sleep problems indeed are a quite often occurence among children as well as adults - they do occur quite often but don't necessarily occur all the time for people to whom it does happen. At the same time, when someone suffers from sleep problems, this doesn't necessarily mean that he cannot sleep at all.
Health professionals can enhance their careers by joining professional organizations, you make connections in the field, you gain access to news and information that you may not find in other places, the can help answer questions that you may have about your field.