While you want your bedroom dark for sleeping, you also want a space that is bright and cheerful the rest of the day. Windows of opportunity. Choose room-darkening blinds, shades or drapes that allow you to plunge the room into peaceful darkness for sleep but let the sunshine in the rest of the time; Screen out electronics.
Computer viruses are solely developed to harn your computer, server, any connected device, or your website. Some of the reasons for which Viruses are developed. 1  To steal data fron your computer, mainly personal or confidential data.  To steal your keystrokes and browser history.
1 Antigens are proteins and other macromolecules that bind to a specific antibody and are used by the immune system to recognize pathogens.  B cells express receptors (BCRs) on their membrane which contain antibodies; these antibodies allow B cells to detect pathogens and release further antibodies to fight the infection.