The act of taking your computer to bed and either
deliberately or inadvertently falling asleep when
talking to a friend on Skype and waking many hours later or
the next day to find they have done the same.
Example 1.
Friend 1: "Hey whatcha doing Friday night, wanna come over and watch lame television...?"
Friend 2: "Nah man." "I'm gunna call my girl on Skype while she's away at that convention, we're planning on having a Skype Sleepover."
Example 2.
Friend 1: "Dude you were on Skype all night last night WTF!!!"
Friend 2: "Yeah sorry bro I was
talking to that little hottie I met on Facebook and we both fell asleep, it was an
accidental Skype sleepover."