 [ Symptoms ] why do i wake up nauseous every time i take a nap for over 1 hour during the day  i do not have any problems sleeping overnight and this only happens during the day i just lay down with my 7 month old during his nap and we can sometimes sleep about an hour and a half but when i wake up i feel nauseous and my salivary glands seem to be working overdrive sometimes i will have headaches as well does anyone else have this problem or know what it can be thank you [ Disease ] i wanted to further clarify that i do not get nauseous after eating am not pregnant and do not smoke or drink thanks