It *might* be adrenal fatigue (AF)... some of the symptoms you have align with common symptoms. Here is a more comprehensive list.
Signs and Symptoms of Adrenal Fatigue:
Tendency to gain weight and unable to lose it, especially around the waist.
High frequency of getting the flu and other respiratory diseases and these symptoms tend to last longer than usual.
Tendency to tremble when under pressure.
Reduced sex drive.
Lightheaded when rising from a horizontal position.
Unable to remember things.
Lack of energy in the mornings and in the afternoon between 3 to 5 pm.
Feel better suddenly for a brief period after a meal.
Often feel tired from 9 - 10 pm, but resist going to bed.
Need coffee or stimulants to get going in the morning.
Cravings for salty, fatty, and high protein food such as meat and cheese.
Increased symptoms of PMS for women; periods are heavy and then stop, or are almost stopped on the 4th day, only to start flow again on the 5th or 6th day.
Pain in the upper back or neck with no apparent reason.
Feels better when stress is relieved, such as on a vacation.
Difficulties in getting up in the morning.
Other signs and symptoms include:
Food and or inhalant allergies
Lethargy and lack of energy
Increased effort to perform daily tasks
Decreased ability to handle stress
Dry and thin skin
Low body temperature
Unexplained hair loss
Alternating constipation and diarrhea