The average dog sleeps for about 12 to 14 hours per 24-hour cycle. Thatâs just the beginning, though. Puppies, who expend a lot of energy exploring and learning may need as much as 18 to 20 hours.
Although individual differences exist, the list below can provide some common hunger symptoms: 1  Feeling of emptiness in stomach. 2  Gurgling, rumbling or growling in stomach. 3  Dizziness, faintness or light-headedness. 4  Headache. Irritability, easily agitated.  Lack of 1  concentration. Nausea.
Lack of appetite, loss of appetite. Lack of appetite: Sometimes you just donât feel like eating, or the thought of food is unappealing. This symptom can also be described as not having any desire to eat, not ever being hungry, or the thought of eating makes you nauseous.