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.
Here are some common symptoms to help identify the disorder in yourself or others: 1  Eat more than half of daily food intake during and after dinner but before breakfast. 2  Wake up three or more times a week to eat. 3  Eat mostly carbohydrates: sugar and starch.  Follow this eating pattern for at least two months.