Where you think it's one day, but in actual fact it's another.
Named after the Time Machine "The TARDIS" which is used by
Dave leaps out of bed at 7am, grabs a bite and heads off to work, only to realise later that it's Saturday and he could have slept in.
"What happened to you?" asks his confused Wife upon his return.
"Just a little TARDIS Syndrome" I think" He replies.