V.R. Peyton wrote: It frightens me when I'm with my dad and he's sleeping and makes so little noise breathing shallow that I'm not sure he is still breathing, then suddendly a deep loud gasp! Weird. But he does breathe too shallow a lot of the time. You have every reason to be frightened. This sounds like sleep apnea and if it is, it can be very dangerous but usually easily managed. You might want to discuss it with your father's doctor if you haven't already. Ticia Morgan