I AM 65 YEAR OLD MALE AND SLEEP WELL AT NIGHT 8 HRS. YET AFTER BREAKFAST I NEED 1 HR NAP AND AFTER LUNCH IN AFTERNOON I NEED 1 HR NAP.  MY BLOOD WORK APPEARS NORMAL THYROD-YET CHOLESTEROL AND TRIGLIS. A LITTLE HIGH.  i DRINK BEER FROM TIME TO TIME BINGE BUT NOT DAILY MOSTLY WEEKENDS AND GOOD DIET SALAD FISH ETC.
Dear Sir, It may be related to blood glucose fluctuations. I would advise you to monitor your blood sugar levels both while fasting and after eating. Take fearsome back if you have any further questions