I am sorry if this is old ground that has been covered before (I have a feeling it has, but I spent a good while searching these forums with no success) but, I am relatively new to Macs, so I was wondering if it is bad to shut down my iMac every night, or is it better to just put it into sleep mode. Are there benefits or disadvantages to sleep mode nightly? Are there benefits or disadvantages to shutting down nightly? Thanks for any guidance here…and again, sorry if this has been answered before. p.s. My iMac is one of the new ones with a fusion drive so it cold boots in less than 20 seconds, so shutting down and starting up are so fast that it is not a time drain to cold boot.