People that blog for a living are in a race against time to be the first with a post in order to drive interest in their blog and hence visits which can then lead to more revenue from advertising, but is it worth it.  

There have been a number of recent reports of bloggers suffering fatal heart attacks and the pressure of producing news and information for the always-on internet must affect peoples health and family life.  Yes some bloggers are very successful and make a lot of money from blogging, but you would have to ask at what cost.