Excessive sleepiness

Excessive sleepiness is. Sleep disorder in which you sleep more than 9 hours.....and feel dizzy whole day.

There are few resons why feel dizzy always.....

You may have distured sleep pattern like sleeping in the day

Insomia

Depression and anxiety

So to avoid this.....

Turn on lights of your to not feel sleepy

Do some exercise

Stay mentally active ...

Image source:https://www.healthyplace.com/self-help/bipolar-disorder/bipolar-and-excessive-sleep-solutions