jet lag

I have been very jet lagged! also woke up wondered where the hell i was thinking i was still in peru and which hotel room i was in, i got even more confused when i switch on my satnav(which was on my beside table) and it pointed to Taunton.how could it say taunton wheni was clearly in peru!!!! oh dear!! this was not a dream cos when i got up my sat nav fell on the floor out of its case!