Why was I feeling sleepy today? When I got a 7 hr...

What causes sleepiness?
Irregular sleep hours
laziness
Severe fatigue during the day
heredity
Intermittent sleep
some medicine.
Stress and anxiety.
Depression
extreme sadness
Anemia
Vitamin deficiency
Lazy thyroid
Sleep Disorder
To resolve this issue please follow the following:
Stay away from stress and anxiety
Healthy nutrition such as fresh food of fruits and vegetables
Take iron
Take multivitamins
Cognitive behavioral therapy
psychological support
Relaxation sessions
Drug therapy such as antidepressants
Regulate sleeping hours
half an hour of stimulating exercise in the event of drowsiness
Self occupancy is something other than sleep such as reading, work or others
Do not sleep during the day no matter how sleepy
What do I advise in your case?
Follow these instructions for a month, and if the problem persists despite full compliance with these instructions you must be examined by a medical doctor of the internal medicine to exclude any organic cause