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.
Body aches or pains, Constipation, Fatigue and Hunger. WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms body aches or pains, constipation, fatigue and hunger including Viral syndrome, Medication reaction or side-effect, and Exercise or physical activity.